diff --git a/app/global_errors.ts b/app/global_errors.ts
index bf103fe8c..66d79d3be 100644
--- a/app/global_errors.ts
+++ b/app/global_errors.ts
@@ -13,27 +13,28 @@ let quitText = 'Quit';
 let copyErrorAndQuitText = 'Copy error and quit';
 
 function handleError(prefix: string, error: Error): void {
+  const formattedError = Errors.toLogFormat(error);
   if (console._error) {
-    console._error(`${prefix}:`, Errors.toLogFormat(error));
+    console._error(`${prefix}:`, formattedError);
   }
-  console.error(`${prefix}:`, Errors.toLogFormat(error));
+  console.error(`${prefix}:`, formattedError);
 
   if (app.isReady()) {
     // title field is not shown on macOS, so we don't use it
     const buttonIndex = dialog.showMessageBoxSync({
       buttons: [quitText, copyErrorAndQuitText],
       defaultId: 0,
-      detail: redactAll(error.stack || ''),
+      detail: redactAll(formattedError),
       message: prefix,
       noLink: true,
       type: 'error',
     });
 
     if (buttonIndex === 1) {
-      clipboard.writeText(`${prefix}\n\n${redactAll(error.stack || '')}`);
+      clipboard.writeText(`${prefix}\n\n${redactAll(formattedError)}`);
     }
   } else {
-    dialog.showErrorBox(prefix, error.stack || '');
+    dialog.showErrorBox(prefix, formattedError);
   }
 
   app.exit(1);
diff --git a/app/main.ts b/app/main.ts
index 3f7a2e360..9dc87748f 100644
--- a/app/main.ts
+++ b/app/main.ts
@@ -46,6 +46,7 @@ import { strictAssert } from '../ts/util/assert';
 import { consoleLogger } from '../ts/util/consoleLogger';
 import type { ThemeSettingType } from '../ts/types/StorageUIKeys';
 import { ThemeType } from '../ts/types/Util';
+import * as Errors from '../ts/types/errors';
 
 import './startup_config';
 
@@ -471,7 +472,7 @@ async function handleUrl(event: Electron.Event, rawTarget: string) {
     try {
       await shell.openExternal(target);
     } catch (error) {
-      getLogger().error(`Failed to open url: ${error.stack}`);
+      getLogger().error(`Failed to open url: ${Errors.toLogFormat(error)}`);
     }
   }
 }
@@ -938,7 +939,7 @@ ipc.handle('database-ready', async () => {
   if (error) {
     getLogger().error(
       'database-ready requested, but got sql error',
-      error && error.stack
+      Errors.toLogFormat(error)
     );
     return;
   }
@@ -1029,7 +1030,7 @@ async function readyForUpdates() {
   } catch (error) {
     getLogger().error(
       'Error starting update checks:',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
   }
 }
@@ -1039,10 +1040,7 @@ async function forceUpdate() {
     getLogger().info('starting force update');
     await updater.force();
   } catch (error) {
-    getLogger().error(
-      'Error during force update:',
-      error && error.stack ? error.stack : error
-    );
+    getLogger().error('Error during force update:', Errors.toLogFormat(error));
   }
 }
 
@@ -1477,7 +1475,7 @@ const runSQLCorruptionHandler = async () => {
       `Restarting the application immediately. Error: ${error.message}`
   );
 
-  await onDatabaseError(error.stack || error.message);
+  await onDatabaseError(Errors.toLogFormat(error));
 };
 
 async function initializeSQL(
@@ -1796,7 +1794,7 @@ app.on('ready', async () => {
   } catch (err) {
     logger.error(
       'main/ready: Error deleting temp dir:',
-      err && err.stack ? err.stack : err
+      Errors.toLogFormat(err)
     );
   }
 
@@ -1823,7 +1821,7 @@ app.on('ready', async () => {
   if (sqlError) {
     getLogger().error('sql.initialize was unsuccessful; returning early');
 
-    await onDatabaseError(sqlError.stack || sqlError.message);
+    await onDatabaseError(Errors.toLogFormat(sqlError));
 
     return;
   }
@@ -1840,7 +1838,7 @@ app.on('ready', async () => {
   } catch (err) {
     getLogger().error(
       '(ready event handler) error deleting IndexedDB:',
-      err && err.stack ? err.stack : err
+      Errors.toLogFormat(err)
     );
   }
 
@@ -1949,10 +1947,7 @@ async function requestShutdown() {
   try {
     await request;
   } catch (error) {
-    getLogger().error(
-      'requestShutdown error:',
-      error && error.stack ? error.stack : error
-    );
+    getLogger().error('requestShutdown error:', Errors.toLogFormat(error));
   }
 }
 
@@ -2157,7 +2152,7 @@ ipc.handle(
     } catch (error) {
       getLogger().error(
         'show-permissions-popup error:',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   }
@@ -2200,7 +2195,10 @@ ipc.on('get-built-in-images', async () => {
     if (mainWindow && mainWindow.webContents) {
       mainWindow.webContents.send('get-success-built-in-images', error.message);
     } else {
-      getLogger().error('Error handling get-built-in-images:', error.stack);
+      getLogger().error(
+        'Error handling get-built-in-images:',
+        Errors.toLogFormat(error)
+      );
     }
   }
 });
diff --git a/app/user_config.ts b/app/user_config.ts
index 2e532a5be..1e04192ce 100644
--- a/app/user_config.ts
+++ b/app/user_config.ts
@@ -7,6 +7,7 @@ import { app } from 'electron';
 
 import { start } from './base_config';
 import config from './config';
+import * as Errors from '../ts/types/errors';
 
 let userData: string | undefined;
 // Use separate data directory for benchmarks & development
@@ -23,7 +24,7 @@ if (userData !== undefined) {
   try {
     mkdirSync(userData, { recursive: true });
   } catch (error) {
-    console.error('Failed to create userData', error?.stack || String(error));
+    console.error('Failed to create userData', Errors.toLogFormat(error));
   }
 
   app.setPath('userData', userData);
diff --git a/sticker-creator/components/StickerGrid.tsx b/sticker-creator/components/StickerGrid.tsx
index 78693b818..84f3c6421 100644
--- a/sticker-creator/components/StickerGrid.tsx
+++ b/sticker-creator/components/StickerGrid.tsx
@@ -13,7 +13,9 @@ import type { Props as DropZoneProps } from '../elements/DropZone';
 import { DropZone } from '../elements/DropZone';
 import { processStickerImage } from '../util/preload';
 import { useI18n } from '../util/i18n';
+import { ProcessStickerImageError } from '../errors';
 import { MINUTE } from '../../ts/util/durations';
+import * as Errors from '../../ts/types/errors';
 
 const queue = new PQueue({ concurrency: 3, timeout: MINUTE * 30 });
 
@@ -64,13 +66,16 @@ const InnerGrid = SortableContainer(
             } catch (e) {
               window.SignalContext.log.error(
                 'Error processing image:',
-                e?.stack ? e.stack : String(e)
+                Errors.toLogFormat(e)
               );
               actions.removeSticker(path);
+
+              const key =
+                e instanceof ProcessStickerImageError
+                  ? e.errorMessageI18nKey
+                  : 'StickerCreator--Toasts--errorProcessing';
               actions.addToast({
-                key:
-                  (e || {}).errorMessageI18nKey ||
-                  'StickerCreator--Toasts--errorProcessing',
+                key,
               });
             }
           });
diff --git a/sticker-creator/errors.ts b/sticker-creator/errors.ts
new file mode 100644
index 000000000..5044ca268
--- /dev/null
+++ b/sticker-creator/errors.ts
@@ -0,0 +1,8 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+export class ProcessStickerImageError extends Error {
+  constructor(message: string, public readonly errorMessageI18nKey: string) {
+    super(message);
+  }
+}
diff --git a/sticker-creator/window/phase3-sticker-functions.ts b/sticker-creator/window/phase3-sticker-functions.ts
index 49ed5dd41..beed20bb6 100644
--- a/sticker-creator/window/phase3-sticker-functions.ts
+++ b/sticker-creator/window/phase3-sticker-functions.ts
@@ -18,6 +18,7 @@ import { initialize as initializeWebAPI } from '../../ts/textsecure/WebAPI';
 
 import { SignalContext } from '../../ts/windows/context';
 import { getAnimatedPngDataIfExists } from '../../ts/util/getAnimatedPngDataIfExists';
+import { ProcessStickerImageError } from '../errors';
 
 const STICKER_SIZE = 512;
 const MIN_STICKER_DIMENSION = 10;
@@ -42,12 +43,6 @@ const WebAPI = initializeWebAPI({
   version: config.version,
 });
 
-function processStickerError(message: string, i18nKey: string): Error {
-  const result = new Error(message);
-  result.errorMessageI18nKey = i18nKey;
-  return result;
-}
-
 window.processStickerImage = async (path: string | undefined) => {
   if (!path) {
     throw new Error(`Path ${path} is not valid!`);
@@ -59,7 +54,7 @@ window.processStickerImage = async (path: string | undefined) => {
 
   const { width, height } = meta;
   if (!width || !height) {
-    throw processStickerError(
+    throw new ProcessStickerImageError(
       'Sticker height or width were falsy',
       'StickerCreator--Toasts--errorProcessing'
     );
@@ -75,31 +70,31 @@ window.processStickerImage = async (path: string | undefined) => {
   const animatedPngDataIfExists = getAnimatedPngDataIfExists(imgBuffer);
   if (animatedPngDataIfExists) {
     if (imgBuffer.byteLength > MAX_STICKER_BYTE_LENGTH) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Sticker file was too large',
         'StickerCreator--Toasts--tooLarge'
       );
     }
     if (width !== height) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Sticker must be square',
         'StickerCreator--Toasts--APNG--notSquare'
       );
     }
     if (width > MAX_STICKER_DIMENSION) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Sticker dimensions are too large',
         'StickerCreator--Toasts--APNG--dimensionsTooLarge'
       );
     }
     if (width < MIN_STICKER_DIMENSION) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Sticker dimensions are too small',
         'StickerCreator--Toasts--APNG--dimensionsTooSmall'
       );
     }
     if (animatedPngDataIfExists.numPlays !== Infinity) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Animated stickers must loop forever',
         'StickerCreator--Toasts--mustLoopForever'
       );
@@ -118,7 +113,7 @@ window.processStickerImage = async (path: string | undefined) => {
       .webp()
       .toBuffer();
     if (processedBuffer.byteLength > MAX_STICKER_BYTE_LENGTH) {
-      throw processStickerError(
+      throw new ProcessStickerImageError(
         'Sticker file was too large',
         'StickerCreator--Toasts--tooLarge'
       );
diff --git a/ts/ConversationController.ts b/ts/ConversationController.ts
index 121683495..0580eccd6 100644
--- a/ts/ConversationController.ts
+++ b/ts/ConversationController.ts
@@ -299,7 +299,7 @@ export class ConversationController {
         log.error(
           'Contact is not valid. Not saving, but adding to collection:',
           conversation.idForLogging(),
-          validationError.stack
+          Errors.toLogFormat(validationError)
         );
 
         return conversation;
@@ -316,7 +316,7 @@ export class ConversationController {
           identifier,
           type,
           'Error:',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         throw error;
       }
@@ -1247,7 +1247,7 @@ export class ConversationController {
           } catch (error) {
             log.error(
               'ConversationController.load/map: Failed to prepare a conversation',
-              error && error.stack ? error.stack : error
+              Errors.toLogFormat(error)
             );
           }
         })
@@ -1256,7 +1256,7 @@ export class ConversationController {
     } catch (error) {
       log.error(
         'ConversationController: initial fetch failed',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
       throw error;
     }
diff --git a/ts/SignalProtocolStore.ts b/ts/SignalProtocolStore.ts
index 7df136d6a..c7feaae57 100644
--- a/ts/SignalProtocolStore.ts
+++ b/ts/SignalProtocolStore.ts
@@ -392,7 +392,7 @@ export class SignalProtocolStore extends EventEmitter {
     } catch (error) {
       log.error(
         'removePreKey error triggering removePreKey:',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
 
@@ -604,7 +604,7 @@ export class SignalProtocolStore extends EventEmitter {
           await this.commitZoneChanges('saveSenderKey');
         }
       } catch (error) {
-        const errorString = error && error.stack ? error.stack : error;
+        const errorString = Errors.toLogFormat(error);
         log.error(
           `saveSenderKey: failed to save senderKey ${senderId}/${distributionId}: ${errorString}`
         );
@@ -653,7 +653,7 @@ export class SignalProtocolStore extends EventEmitter {
         log.info('Successfully fetched sender key(cache miss):', id);
         return item;
       } catch (error) {
-        const errorString = error && error.stack ? error.stack : error;
+        const errorString = Errors.toLogFormat(error);
         log.error(
           `getSenderKey: failed to load sender key ${senderId}/${distributionId}: ${errorString}`
         );
@@ -679,7 +679,7 @@ export class SignalProtocolStore extends EventEmitter {
 
       this.senderKeys.delete(id);
     } catch (error) {
-      const errorString = error && error.stack ? error.stack : error;
+      const errorString = Errors.toLogFormat(error);
       log.error(
         `removeSenderKey: failed to remove senderKey ${senderId}/${distributionId}: ${errorString}`
       );
@@ -860,7 +860,7 @@ export class SignalProtocolStore extends EventEmitter {
         `pending sender keys size ${this.pendingSenderKeys.size}, ` +
         `pending sessions size ${this.pendingSessions.size}, ` +
         `pending unprocessed size ${this.pendingUnprocessed.size}`,
-      error && error.stack
+      Errors.toLogFormat(error)
     );
     this.pendingSenderKeys.clear();
     this.pendingSessions.clear();
@@ -961,7 +961,7 @@ export class SignalProtocolStore extends EventEmitter {
         //   and save it to the database.
         return await this._maybeMigrateSession(entry.fromDB, { zone });
       } catch (error) {
-        const errorString = error && error.stack ? error.stack : error;
+        const errorString = Errors.toLogFormat(error);
         log.error(`loadSession: failed to load session ${id}: ${errorString}`);
         return undefined;
       }
@@ -1095,7 +1095,7 @@ export class SignalProtocolStore extends EventEmitter {
           await this.commitZoneChanges('storeSession');
         }
       } catch (error) {
-        const errorString = error && error.stack ? error.stack : error;
+        const errorString = Errors.toLogFormat(error);
         log.error(`storeSession: Save failed for ${id}: ${errorString}`);
         throw error;
       }
@@ -1189,7 +1189,7 @@ export class SignalProtocolStore extends EventEmitter {
       } catch (error) {
         log.error(
           'getOpenDevices: Failed to get devices',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         throw error;
       }
@@ -1692,7 +1692,7 @@ export class SignalProtocolStore extends EventEmitter {
       } catch (error) {
         log.error(
           'saveIdentity: error triggering keychange:',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
 
diff --git a/ts/background.ts b/ts/background.ts
index 50d7941e4..545b14a18 100644
--- a/ts/background.ts
+++ b/ts/background.ts
@@ -609,7 +609,7 @@ export async function startApp(): Promise<void> {
         } catch (error) {
           log.info(
             'User chose not to delete old data. Shutting down.',
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
           window.shutdown();
           return;
@@ -627,7 +627,7 @@ export async function startApp(): Promise<void> {
       } catch (error) {
         log.error(
           'Failed to remove IndexedDB file or remove SQL data:',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
 
@@ -859,7 +859,7 @@ export async function startApp(): Promise<void> {
     try {
       await window.Signal.Data.startInRendererProcess();
     } catch (err) {
-      log.error('SQL failed to initialize', err && err.stack ? err.stack : err);
+      log.error('SQL failed to initialize', Errors.toLogFormat(err));
     }
 
     setAppLoadingScreenMessage(window.i18n('loading'), window.i18n);
@@ -950,7 +950,7 @@ export async function startApp(): Promise<void> {
       } catch (error) {
         log.warn(
           'background/setInterval: Failed to parse integer from desktop.retryRespondMaxAge feature flag',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
 
@@ -961,7 +961,7 @@ export async function startApp(): Promise<void> {
       } catch (error) {
         log.error(
           'background/onready/setInterval: Error deleting sent protos: ',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
 
@@ -991,7 +991,7 @@ export async function startApp(): Promise<void> {
       } catch (error) {
         log.error(
           'background/onready/setInterval: Error getting expired retry placeholders: ',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     }, FIVE_MINUTES);
@@ -1038,7 +1038,7 @@ export async function startApp(): Promise<void> {
     } catch (error) {
       log.error(
         'background.js: ConversationController failed to load:',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     } finally {
       initializeRedux({ mainWindowStats, menuOptions });
@@ -2140,7 +2140,7 @@ export async function startApp(): Promise<void> {
         } catch (error) {
           log.error(
             'connect: Error refreshing remote config:',
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
         }
 
@@ -2226,7 +2226,7 @@ export async function startApp(): Promise<void> {
         } catch (e) {
           log.error(
             'Problem with account manager updates after starting new version: ',
-            e && e.stack ? e.stack : e
+            Errors.toLogFormat(e)
           );
         }
       }
@@ -2239,7 +2239,7 @@ export async function startApp(): Promise<void> {
         } catch (error) {
           log.error(
             'Error: Unable to register for unauthenticated delivery support.',
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
         }
       }
@@ -2270,7 +2270,7 @@ export async function startApp(): Promise<void> {
         } catch (error) {
           log.error(
             'Error: Unable to register our capabilities.',
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
         }
       }
@@ -2859,7 +2859,10 @@ export async function startApp(): Promise<void> {
             return;
           }
         } catch (error) {
-          log.error('respondWithProfileKeyBatcher error', error && error.stack);
+          log.error(
+            'respondWithProfileKeyBatcher error',
+            Errors.toLogFormat(error)
+          );
         }
 
         sender.queueJob('sendProfileKeyUpdate', () =>
@@ -3521,7 +3524,7 @@ export async function startApp(): Promise<void> {
       log.error(
         'unlinkAndDisconnect: Something went wrong clearing ' +
           'local configuration',
-        eraseError && eraseError.stack ? eraseError.stack : eraseError
+        Errors.toLogFormat(eraseError)
       );
     } finally {
       window.Signal.Util.Registration.markEverDone();
diff --git a/ts/components/DebugLogWindow.tsx b/ts/components/DebugLogWindow.tsx
index def1335f0..9e1d261b0 100644
--- a/ts/components/DebugLogWindow.tsx
+++ b/ts/components/DebugLogWindow.tsx
@@ -15,6 +15,7 @@ import type { ExecuteMenuRoleType } from './TitleBarContainer';
 import { ToastLoadingFullLogs } from './ToastLoadingFullLogs';
 import { openLinkInWebBrowser } from '../util/openLinkInWebBrowser';
 import { createSupportUrl } from '../util/createSupportUrl';
+import * as Errors from '../types/errors';
 import { useEscapeHandling } from '../hooks/useEscapeHandling';
 import { useTheme } from '../hooks/useTheme';
 
@@ -107,10 +108,7 @@ export function DebugLogWindow({
       const publishedLogURL = await uploadLogs(text);
       setPublicLogURL(publishedLogURL);
     } catch (error) {
-      log.error(
-        'DebugLogWindow error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('DebugLogWindow error:', Errors.toLogFormat(error));
       setLoadState(LoadState.Loaded);
       setToastType(ToastType.Error);
     }
diff --git a/ts/components/conversation/GIF.tsx b/ts/components/conversation/GIF.tsx
index 6c1c6fee7..5de53e0e0 100644
--- a/ts/components/conversation/GIF.tsx
+++ b/ts/components/conversation/GIF.tsx
@@ -14,6 +14,7 @@ import {
   getImageDimensions,
   defaultBlurHash,
 } from '../../types/Attachment';
+import * as Errors from '../../types/errors';
 import * as log from '../../logging/log';
 
 const MAX_GIF_REPEAT = 4;
@@ -90,7 +91,7 @@ export function GIF(props: Props): JSX.Element {
       video.play().catch(error => {
         log.info(
           "Failed to match GIF playback to window's state",
-          (error && error.stack) || error
+          Errors.toLogFormat(error)
         );
       });
     } else {
diff --git a/ts/groups.ts b/ts/groups.ts
index afc48a7c5..9996d1cbb 100644
--- a/ts/groups.ts
+++ b/ts/groups.ts
@@ -453,7 +453,10 @@ async function uploadAvatar(
       key,
     };
   } catch (error) {
-    log.warn(`uploadAvatar/${logId} Failed to upload avatar`, error.stack);
+    log.warn(
+      `uploadAvatar/${logId} Failed to upload avatar`,
+      Errors.toLogFormat(error)
+    );
     throw error;
   }
 }
@@ -2391,7 +2394,7 @@ export async function initiateMigrationToGroupV2(
       } catch (error) {
         log.error(
           `initiateMigrationToGroupV2/${logId}: Error creating group:`,
-          error.stack
+          Errors.toLogFormat(error)
         );
 
         throw error;
@@ -2473,7 +2476,7 @@ export async function waitThenRespondToGroupV2Migration(
     } catch (error) {
       log.error(
         `waitThenRespondToGroupV2Migration/${conversation.idForLogging()}: respondToGroupV2Migration failure:`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   });
@@ -2946,7 +2949,7 @@ export async function waitThenMaybeUpdateGroup(
     } catch (error) {
       log.error(
         `waitThenMaybeUpdateGroup/${conversation.idForLogging()}: maybeUpdateGroup failure:`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   });
@@ -2984,7 +2987,7 @@ export async function maybeUpdateGroup(
   } catch (error) {
     log.error(
       `maybeUpdateGroup/${logId}: Failed to update group:`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     throw error;
   }
@@ -3910,7 +3913,7 @@ async function integrateGroupChanges({
       } catch (error) {
         log.error(
           `integrateGroupChanges/${logId}: Failed to apply change log, continuing to apply remaining change logs.`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     }
@@ -5287,7 +5290,7 @@ export async function applyNewAvatar(
   } catch (error) {
     log.warn(
       `applyNewAvatar/${logId} Failed to handle avatar, clearing it`,
-      error.stack
+      Errors.toLogFormat(error)
     );
     if (result.avatar && result.avatar.path) {
       await window.Signal.Migrations.deleteAttachmentData(result.avatar.path);
@@ -5622,7 +5625,7 @@ function decryptGroupChange(
     } catch (error) {
       log.warn(
         `decryptGroupChange/${logId}: Unable to decrypt sourceUuid.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
 
@@ -5677,7 +5680,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt deleteMembers.deletedUserId. Dropping member.`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         return null;
       }
@@ -5711,7 +5714,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt modifyMemberRole.userId. Dropping member.`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         return null;
       }
@@ -5844,7 +5847,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt deletePendingMembers.deletedUserId. Dropping member.`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         return null;
       }
@@ -6022,7 +6025,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt modifyTitle.title`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     } else {
@@ -6049,7 +6052,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt modifyDisappearingMessagesTimer.timer`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     } else {
@@ -6152,7 +6155,7 @@ function decryptGroupChange(
         } catch (error) {
           log.warn(
             `decryptGroupChange/${logId}: Unable to decrypt deletePendingApproval.deletedUserId. Dropping member.`,
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
           return null;
         }
@@ -6190,7 +6193,7 @@ function decryptGroupChange(
         } catch (error) {
           log.warn(
             `decryptGroupChange/${logId}: Unable to decrypt promoteAdminApproval.userId. Dropping member.`,
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
           return null;
         }
@@ -6232,7 +6235,7 @@ function decryptGroupChange(
       } catch (error) {
         log.warn(
           `decryptGroupChange/${logId}: Unable to decrypt modifyDescription.descriptionBytes`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     } else {
@@ -6365,7 +6368,7 @@ function decryptGroupState(
     } catch (error) {
       log.warn(
         `decryptGroupState/${logId}: Unable to decrypt title. Clearing it.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   }
@@ -6388,7 +6391,7 @@ function decryptGroupState(
     } catch (error) {
       log.warn(
         `decryptGroupState/${logId}: Unable to decrypt disappearing message timer. Clearing it.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   }
@@ -6472,7 +6475,7 @@ function decryptGroupState(
     } catch (error) {
       log.warn(
         `decryptGroupState/${logId}: Unable to decrypt descriptionBytes. Clearing it.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   }
@@ -6537,7 +6540,7 @@ function decryptMember(
   } catch (error) {
     log.warn(
       `decryptMember/${logId}: Unable to decrypt member userid. Dropping member.`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return undefined;
   }
@@ -6608,7 +6611,7 @@ function decryptMemberPendingProfileKey(
   } catch (error) {
     log.warn(
       `decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member addedByUserId. Dropping member.`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return undefined;
   }
@@ -6648,7 +6651,7 @@ function decryptMemberPendingProfileKey(
   } catch (error) {
     log.warn(
       `decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member userId. Dropping member.`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return undefined;
   }
@@ -6673,7 +6676,7 @@ function decryptMemberPendingProfileKey(
     } catch (error) {
       log.warn(
         `decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member profileKey. Dropping profileKey.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
 
@@ -6735,7 +6738,7 @@ function decryptMemberPendingAdminApproval(
   } catch (error) {
     log.warn(
       `decryptMemberPendingAdminApproval/${logId}: Unable to decrypt pending member userId. Dropping member.`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return undefined;
   }
@@ -6760,7 +6763,7 @@ function decryptMemberPendingAdminApproval(
     } catch (error) {
       log.warn(
         `decryptMemberPendingAdminApproval/${logId}: Unable to decrypt profileKey. Dropping profileKey.`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
 
diff --git a/ts/logging/main_process_logging.ts b/ts/logging/main_process_logging.ts
index 07e5befc2..1b771f968 100644
--- a/ts/logging/main_process_logging.ts
+++ b/ts/logging/main_process_logging.ts
@@ -19,6 +19,7 @@ import { read as readLastLines } from 'read-last-lines';
 import rimraf from 'rimraf';
 
 import type { LoggerType } from '../types/Logging';
+import * as Errors from '../types/errors';
 import * as durations from '../util/durations';
 import { createRotatingPinoDest } from '../util/rotatingPinoDest';
 
@@ -67,7 +68,9 @@ export async function initialize(
   try {
     await cleanupLogs(logPath);
   } catch (error) {
-    const errorString = `Failed to clean logs; deleting all. Error: ${error.stack}`;
+    const errorString =
+      'Failed to clean logs; deleting all. ' +
+      `Error: ${Errors.toLogFormat(error)}`;
     console.error(errorString);
     await deleteAllLogs(logPath);
     mkdirp.sync(logPath);
@@ -136,7 +139,7 @@ export async function initialize(
         ...rest,
       };
     } catch (error) {
-      logger.error(`Problem loading log data: ${error.stack}`);
+      logger.error(`Problem loading log data: ${Errors.toLogFormat(error)}`);
       return;
     }
 
@@ -151,7 +154,7 @@ export async function initialize(
     try {
       await deleteAllLogs(logPath);
     } catch (error) {
-      logger.error(`Problem deleting all logs: ${error.stack}`);
+      logger.error(`Problem deleting all logs: ${Errors.toLogFormat(error)}`);
     }
   });
 
@@ -196,7 +199,7 @@ async function cleanupLogs(logPath: string) {
   } catch (error) {
     console.error(
       'Error cleaning logs; deleting and starting over from scratch.',
-      error.stack
+      Errors.toLogFormat(error)
     );
 
     // delete and re-create the log directory
@@ -215,7 +218,7 @@ export function isLineAfterDate(line: string, date: Readonly<Date>): boolean {
     const data = JSON.parse(line);
     return new Date(data.time).getTime() > date.getTime();
   } catch (e) {
-    console.log('error parsing log line', e.stack, line);
+    console.log('error parsing log line', Errors.toLogFormat(e), line);
     return false;
   }
 }
diff --git a/ts/logging/set_up_renderer_logging.ts b/ts/logging/set_up_renderer_logging.ts
index fd955e4e7..87f155fde 100644
--- a/ts/logging/set_up_renderer_logging.ts
+++ b/ts/logging/set_up_renderer_logging.ts
@@ -22,6 +22,7 @@ import {
 } from './shared';
 import * as log from './log';
 import { Environment, getEnvironment } from '../environment';
+import * as Errors from '../types/errors';
 import { createRotatingPinoDest } from '../util/rotatingPinoDest';
 
 // Backwards-compatible logging, simple strings and no level (defaulted to INFO)
@@ -114,14 +115,13 @@ window.SignalContext.log = {
 };
 
 window.onerror = (_message, _script, _line, _col, error) => {
-  const errorInfo = error && error.stack ? error.stack : JSON.stringify(error);
+  const errorInfo = Errors.toLogFormat(error);
   log.error(`Top-level unhandled error: ${errorInfo}`);
 };
 
 window.addEventListener('unhandledrejection', rejectionEvent => {
   const error = rejectionEvent.reason;
-  const errorString =
-    error && error.stack ? error.stack : JSON.stringify(error);
+  const errorString = Errors.toLogFormat(error);
   log.error(`Top-level unhandled promise rejection: ${errorString}`);
 });
 
diff --git a/ts/messageModifiers/Deletes.ts b/ts/messageModifiers/Deletes.ts
index 439c4e069..0e4b1e5aa 100644
--- a/ts/messageModifiers/Deletes.ts
+++ b/ts/messageModifiers/Deletes.ts
@@ -7,6 +7,7 @@ import { Collection, Model } from 'backbone';
 import type { MessageModel } from '../models/messages';
 import { getContactId } from '../messages/helpers';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 import { deleteForEveryone } from '../util/deleteForEveryone';
 
 export type DeleteAttributesType = {
@@ -97,10 +98,7 @@ export class Deletes extends Collection<DeleteModel> {
         this.remove(del);
       });
     } catch (error) {
-      log.error(
-        'Deletes.onDelete error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('Deletes.onDelete error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/MessageReceipts.ts b/ts/messageModifiers/MessageReceipts.ts
index 0f36f6405..bc9ecbf3b 100644
--- a/ts/messageModifiers/MessageReceipts.ts
+++ b/ts/messageModifiers/MessageReceipts.ts
@@ -15,6 +15,7 @@ import { getOwn } from '../util/getOwn';
 import { missingCaseError } from '../util/missingCaseError';
 import { createWaitBatcher } from '../util/waitBatcher';
 import type { UUIDStringType } from '../types/UUID';
+import * as Errors from '../types/errors';
 import {
   SendActionType,
   SendStatus,
@@ -331,10 +332,7 @@ export class MessageReceipts extends Collection<MessageReceiptModel> {
 
       this.remove(receipt);
     } catch (error) {
-      log.error(
-        'MessageReceipts.onReceipt error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('MessageReceipts.onReceipt error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/MessageRequests.ts b/ts/messageModifiers/MessageRequests.ts
index 7a9f5ca1f..b26179094 100644
--- a/ts/messageModifiers/MessageRequests.ts
+++ b/ts/messageModifiers/MessageRequests.ts
@@ -6,6 +6,7 @@
 import { Collection, Model } from 'backbone';
 import type { ConversationModel } from '../models/conversations';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 
 export type MessageRequestAttributesType = {
   threadE164?: string;
@@ -122,10 +123,7 @@ export class MessageRequests extends Collection<MessageRequestModel> {
 
       this.remove(sync);
     } catch (error) {
-      log.error(
-        'MessageRequests.onResponse error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('MessageRequests.onResponse error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/Reactions.ts b/ts/messageModifiers/Reactions.ts
index c45b21991..7bb6d5b2c 100644
--- a/ts/messageModifiers/Reactions.ts
+++ b/ts/messageModifiers/Reactions.ts
@@ -10,6 +10,7 @@ import type {
   MessageAttributesType,
   ReactionAttributesType,
 } from '../model-types.d';
+import * as Errors from '../types/errors';
 import * as log from '../logging/log';
 import { getContactId, getContact } from '../messages/helpers';
 import { isDirectConversation, isMe } from '../util/whatTypeOfConversation';
@@ -213,10 +214,7 @@ export class Reactions extends Collection<ReactionModel> {
         this.remove(reaction);
       });
     } catch (error) {
-      log.error(
-        'Reactions.onReaction error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('Reactions.onReaction error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/ReadSyncs.ts b/ts/messageModifiers/ReadSyncs.ts
index b98229b7a..58775e12f 100644
--- a/ts/messageModifiers/ReadSyncs.ts
+++ b/ts/messageModifiers/ReadSyncs.ts
@@ -10,6 +10,7 @@ import { isIncoming } from '../state/selectors/message';
 import { isMessageUnread } from '../util/isMessageUnread';
 import { notificationService } from '../services/notifications';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 
 export type ReadSyncAttributesType = {
   senderId: string;
@@ -142,10 +143,7 @@ export class ReadSyncs extends Collection {
 
       this.remove(sync);
     } catch (error) {
-      log.error(
-        'ReadSyncs.onSync error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('ReadSyncs.onSync error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/ViewOnceOpenSyncs.ts b/ts/messageModifiers/ViewOnceOpenSyncs.ts
index 27764f956..c8d05fe26 100644
--- a/ts/messageModifiers/ViewOnceOpenSyncs.ts
+++ b/ts/messageModifiers/ViewOnceOpenSyncs.ts
@@ -6,6 +6,7 @@
 import { Collection, Model } from 'backbone';
 import type { MessageModel } from '../models/messages';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 
 export type ViewOnceOpenSyncAttributesType = {
   source?: string;
@@ -94,10 +95,7 @@ export class ViewOnceOpenSyncs extends Collection<ViewOnceOpenSyncModel> {
 
       this.remove(sync);
     } catch (error) {
-      log.error(
-        'ViewOnceOpenSyncs.onSync error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('ViewOnceOpenSyncs.onSync error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/messageModifiers/ViewSyncs.ts b/ts/messageModifiers/ViewSyncs.ts
index 34555823d..5743232b9 100644
--- a/ts/messageModifiers/ViewSyncs.ts
+++ b/ts/messageModifiers/ViewSyncs.ts
@@ -9,6 +9,7 @@ import type { MessageModel } from '../models/messages';
 import { ReadStatus } from '../messages/MessageReadStatus';
 import { markViewed } from '../services/MessageUpdater';
 import { isDownloaded } from '../types/Attachment';
+import * as Errors from '../types/errors';
 import { isIncoming } from '../state/selectors/message';
 import { notificationService } from '../services/notifications';
 import { queueAttachmentDownloads } from '../util/queueAttachmentDownloads';
@@ -111,10 +112,7 @@ export class ViewSyncs extends Collection {
 
       this.remove(sync);
     } catch (error) {
-      log.error(
-        'ViewSyncs.onSync error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('ViewSyncs.onSync error:', Errors.toLogFormat(error));
     }
   }
 }
diff --git a/ts/models/messages.ts b/ts/models/messages.ts
index 5f461d2e7..3c83f61cf 100644
--- a/ts/models/messages.ts
+++ b/ts/models/messages.ts
@@ -1242,7 +1242,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
     } catch (error) {
       log.error(
         `Error erasing data for message ${this.idForLogging()}:`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
 
@@ -1358,11 +1358,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
     }
 
     errors.forEach(e => {
-      log.error(
-        'Message.saveErrors:',
-        e && e.reason ? e.reason : null,
-        e && e.stack ? e.stack : e
-      );
+      log.error('Message.saveErrors:', Errors.toLogFormat(e));
     });
     errors = errors.map(e => {
       // Note: in our environment, instanceof can be scary, so we have a backup check
@@ -2415,7 +2411,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
                 sentAt: message.get('sent_at'),
               });
             } catch (error) {
-              const errorText = error && error.stack ? error.stack : error;
+              const errorText = Errors.toLogFormat(error);
               log.error(
                 `${idLog}: Failed to process group update as part of message ${message.idForLogging()}: ${errorText}`
               );
@@ -3050,7 +3046,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
         log.info(`${idLog}: Batching save`);
         this.saveAndNotify(conversation, confirm);
       } catch (error) {
-        const errorForLog = error && error.stack ? error.stack : error;
+        const errorForLog = Errors.toLogFormat(error);
         log.error(`${idLog}: error:`, errorForLog);
         throw error;
       }
diff --git a/ts/routineProfileRefresh.ts b/ts/routineProfileRefresh.ts
index 07073b1dd..1063ff007 100644
--- a/ts/routineProfileRefresh.ts
+++ b/ts/routineProfileRefresh.ts
@@ -144,7 +144,7 @@ export async function routineProfileRefresh({
     } catch (err) {
       log.error(
         `${logId}: refreshed profile for ${conversation.idForLogging()}`,
-        err?.stack || err
+        Errors.toLogFormat(err)
       );
     }
   }
diff --git a/ts/services/LinkPreview.ts b/ts/services/LinkPreview.ts
index 3b56c2557..c1836f5fb 100644
--- a/ts/services/LinkPreview.ts
+++ b/ts/services/LinkPreview.ts
@@ -11,6 +11,7 @@ import type {
   MaybeGrabLinkPreviewOptionsType,
   AddLinkPreviewOptionsType,
 } from '../types/LinkPreview';
+import * as Errors from '../types/errors';
 import type { StickerPackType as StickerPackDBType } from '../sql/Interface';
 import type { MIMEType } from '../types/MIME';
 import * as Bytes from '../Bytes';
@@ -216,7 +217,7 @@ export async function addLinkPreview(
   } catch (error) {
     log.error(
       'Problem loading link preview, disabling.',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     disableLinkPreviews = true;
     removeLinkPreview();
@@ -455,10 +456,7 @@ async function getStickerPackPreview(
       url,
     };
   } catch (error) {
-    log.error(
-      'getStickerPackPreview error:',
-      error && error.stack ? error.stack : error
-    );
+    log.error('getStickerPackPreview error:', Errors.toLogFormat(error));
     return null;
   } finally {
     if (id) {
@@ -530,7 +528,7 @@ async function getGroupPreview(
         ),
       };
     } catch (error) {
-      const errorString = error && error.stack ? error.stack : error;
+      const errorString = Errors.toLogFormat(error);
       log.error(
         `getGroupPreview/${logId}: Failed to fetch avatar ${errorString}`
       );
diff --git a/ts/services/audioRecorder.ts b/ts/services/audioRecorder.ts
index 446c5305e..3f2c735a9 100644
--- a/ts/services/audioRecorder.ts
+++ b/ts/services/audioRecorder.ts
@@ -4,6 +4,7 @@
 import { requestMicrophonePermissions } from '../util/requestMicrophonePermissions';
 import * as log from '../logging/log';
 import type { WebAudioRecorderClass } from '../window.d';
+import * as Errors from '../types/errors';
 
 export class RecorderClass {
   private context?: AudioContext;
@@ -84,10 +85,7 @@ export class RecorderClass {
       this.source.connect(this.input);
       this.stream = stream;
     } catch (err) {
-      log.error(
-        'Recorder.onGetUserMediaError:',
-        err && err.stack ? err.stack : err
-      );
+      log.error('Recorder.onGetUserMediaError:', Errors.toLogFormat(err));
       this.clear();
       throw err;
     }
@@ -135,7 +133,7 @@ export class RecorderClass {
 
     this.clear();
 
-    log.error('Recorder/onError:', error && error.stack ? error.stack : error);
+    log.error('Recorder/onError:', Errors.toLogFormat(error));
   }
 
   getBlob(): Blob {
diff --git a/ts/services/calling.ts b/ts/services/calling.ts
index 34ca0a118..eacf37084 100644
--- a/ts/services/calling.ts
+++ b/ts/services/calling.ts
@@ -67,6 +67,7 @@ import {
 } from '../calling/findBestMatchingDevice';
 import type { LocalizerType } from '../types/Util';
 import { UUID, UUIDKind } from '../types/UUID';
+import * as Errors from '../types/errors';
 import type { ConversationModel } from '../models/conversations';
 import * as Bytes from '../Bytes';
 import { uuidToBytes, bytesToUuid } from '../Crypto';
@@ -1061,10 +1062,7 @@ export class CallingClass {
       sendType: 'callingMessage',
       timestamp,
     }).catch(err => {
-      log.error(
-        'Failed to send group call update:',
-        err && err.stack ? err.stack : err
-      );
+      log.error('Failed to send group call update:', Errors.toLogFormat(err));
     });
   }
 
@@ -1877,7 +1875,7 @@ export class CallingClass {
 
       return await this.getCallSettings(conversation);
     } catch (err) {
-      log.error(`Ignoring incoming call: ${err.stack}`);
+      log.error(`Ignoring incoming call: ${Errors.toLogFormat(err)}`);
       this.addCallHistoryForFailedIncomingCall(
         conversation,
         call.isVideoCall,
diff --git a/ts/services/expiringMessagesDeletion.ts b/ts/services/expiringMessagesDeletion.ts
index 8d33b0db9..0859a811d 100644
--- a/ts/services/expiringMessagesDeletion.ts
+++ b/ts/services/expiringMessagesDeletion.ts
@@ -7,6 +7,7 @@ import type { MessageModel } from '../models/messages';
 import { clearTimeoutIfNecessary } from '../util/clearTimeoutIfNecessary';
 import { sleep } from '../util/sleep';
 import { SECOND } from '../util/durations';
+import * as Errors from '../types/errors';
 
 class ExpiringMessagesDeletionService {
   public update: typeof this.checkExpiringMessages;
@@ -65,7 +66,7 @@ class ExpiringMessagesDeletionService {
     } catch (error) {
       window.SignalContext.log.error(
         'destroyExpiredMessages: Error deleting expired messages',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
       window.SignalContext.log.info(
         'destroyExpiredMessages: Waiting 30 seconds before trying again'
diff --git a/ts/services/senderCertificate.ts b/ts/services/senderCertificate.ts
index 1657b036b..5c1b9e0e5 100644
--- a/ts/services/senderCertificate.ts
+++ b/ts/services/senderCertificate.ts
@@ -12,6 +12,7 @@ import { missingCaseError } from '../util/missingCaseError';
 import { waitForOnline } from '../util/waitForOnline';
 import * as log from '../logging/log';
 import type { StorageInterface } from '../types/Storage.d';
+import * as Errors from '../types/errors';
 import type { WebAPIType } from '../textsecure/WebAPI';
 import { SignalService as Proto } from '../protobuf';
 
@@ -171,7 +172,7 @@ export class SenderCertificateService {
         `Sender certificate service could not fetch a ${modeToLogString(
           mode
         )} certificate. Returning undefined`,
-        err && err.stack ? err.stack : err
+        Errors.toLogFormat(err)
       );
       return undefined;
     }
diff --git a/ts/services/tapToViewMessagesDeletionService.ts b/ts/services/tapToViewMessagesDeletionService.ts
index 6e147c34b..fdfd05aac 100644
--- a/ts/services/tapToViewMessagesDeletionService.ts
+++ b/ts/services/tapToViewMessagesDeletionService.ts
@@ -4,6 +4,7 @@
 import { debounce } from 'lodash';
 import { clearTimeoutIfNecessary } from '../util/clearTimeoutIfNecessary';
 import { DAY } from '../util/durations';
+import * as Errors from '../types/errors';
 
 async function eraseTapToViewMessages() {
   try {
@@ -30,7 +31,7 @@ async function eraseTapToViewMessages() {
   } catch (error) {
     window.SignalContext.log.error(
       'eraseTapToViewMessages: Error erasing messages',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
   }
 
diff --git a/ts/shims/deleteAllData.ts b/ts/shims/deleteAllData.ts
index e237d2ea3..45ee2a0b2 100644
--- a/ts/shims/deleteAllData.ts
+++ b/ts/shims/deleteAllData.ts
@@ -3,6 +3,7 @@
 
 import * as log from '../logging/log';
 import { deleteAllLogs } from '../util/deleteAllLogs';
+import * as Errors from '../types/errors';
 
 export async function deleteAllData(): Promise<void> {
   try {
@@ -28,7 +29,7 @@ export async function deleteAllData(): Promise<void> {
   } catch (error) {
     log.error(
       'Something went wrong deleting all data:',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
   }
   window.restart();
diff --git a/ts/sql/mainWorker.ts b/ts/sql/mainWorker.ts
index 1668803c3..0af55cec5 100644
--- a/ts/sql/mainWorker.ts
+++ b/ts/sql/mainWorker.ts
@@ -4,6 +4,7 @@
 import { parentPort } from 'worker_threads';
 
 import type { LoggerType } from '../types/Logging';
+import * as Errors from '../types/errors';
 import type {
   WrappedWorkerRequest,
   WrappedWorkerResponse,
@@ -22,7 +23,7 @@ function respond(seq: number, error: Error | undefined, response?: any) {
   const wrappedResponse: WrappedWorkerResponse = {
     type: 'response',
     seq,
-    error: error?.stack,
+    error: error === undefined ? undefined : Errors.toLogFormat(error),
     response,
   };
   port.postMessage(wrappedResponse);
diff --git a/ts/state/ducks/conversations.ts b/ts/state/ducks/conversations.ts
index efec22446..9318e77fb 100644
--- a/ts/state/ducks/conversations.ts
+++ b/ts/state/ducks/conversations.ts
@@ -55,6 +55,7 @@ import { CallMode } from '../../types/Calling';
 import type { MediaItemType } from '../../types/MediaItem';
 import type { UUIDStringType } from '../../types/UUID';
 import { MY_STORY_ID, StorySendMode } from '../../types/Stories';
+import * as Errors from '../../types/errors';
 import {
   getGroupSizeRecommendedLimit,
   getGroupSizeHardLimit,
@@ -1206,7 +1207,7 @@ function myProfileChanged(
         payload: null,
       });
     } catch (err) {
-      log.error('myProfileChanged', err && err.stack ? err.stack : err);
+      log.error('myProfileChanged', Errors.toLogFormat(err));
       dispatch({ type: TOGGLE_PROFILE_EDITOR_ERROR });
     }
   };
@@ -1606,7 +1607,7 @@ function createGroup(
         })
       );
     } catch (err) {
-      log.error('Failed to create group', err && err.stack ? err.stack : err);
+      log.error('Failed to create group', Errors.toLogFormat(err));
       dispatch({ type: 'CREATE_GROUP_REJECTED' });
     }
   };
diff --git a/ts/state/ducks/safetyNumber.ts b/ts/state/ducks/safetyNumber.ts
index af01a393e..f0f6f8dd2 100644
--- a/ts/state/ducks/safetyNumber.ts
+++ b/ts/state/ducks/safetyNumber.ts
@@ -8,6 +8,7 @@ import {
   toggleVerification,
 } from '../../shims/contactVerification';
 import * as log from '../../logging/log';
+import * as Errors from '../../types/errors';
 
 export type SafetyNumberContactType = {
   safetyNumber: string;
@@ -108,10 +109,7 @@ async function alterVerification(contact: ConversationType): Promise<void> {
       if (result.name === 'OutgoingIdentityKeyError') {
         throw result;
       } else {
-        log.error(
-          'failed to toggle verified:',
-          result && result.stack ? result.stack : result
-        );
+        log.error('failed to toggle verified:', Errors.toLogFormat(result));
       }
     } else {
       const keyError = result.errors.find(
@@ -121,10 +119,7 @@ async function alterVerification(contact: ConversationType): Promise<void> {
         throw keyError;
       } else {
         result.errors.forEach((error: Error) => {
-          log.error(
-            'failed to toggle verified:',
-            error && error.stack ? error.stack : error
-          );
+          log.error('failed to toggle verified:', Errors.toLogFormat(error));
         });
       }
     }
diff --git a/ts/state/smart/ForwardMessageModal.tsx b/ts/state/smart/ForwardMessageModal.tsx
index 2491242dd..d3d4035d5 100644
--- a/ts/state/smart/ForwardMessageModal.tsx
+++ b/ts/state/smart/ForwardMessageModal.tsx
@@ -9,6 +9,7 @@ import type { StateType } from '../reducer';
 import * as log from '../../logging/log';
 import { ForwardMessageModal } from '../../components/ForwardMessageModal';
 import { LinkPreviewSourceType } from '../../types/LinkPreview';
+import * as Errors from '../../types/errors';
 import type { GetConversationByIdType } from '../selectors/conversations';
 import {
   getAllComposableConversations,
@@ -107,7 +108,7 @@ export function SmartForwardMessageModal(): JSX.Element | null {
             closeModal();
           }
         } catch (err) {
-          log.warn('doForwardMessage', err && err.stack ? err.stack : err);
+          log.warn('doForwardMessage', Errors.toLogFormat(err));
         }
       }}
       getPreferredBadge={getPreferredBadge}
diff --git a/ts/test-electron/util/sendToGroup_test.ts b/ts/test-electron/util/sendToGroup_test.ts
index 01dcfb6ef..83dbd1a10 100644
--- a/ts/test-electron/util/sendToGroup_test.ts
+++ b/ts/test-electron/util/sendToGroup_test.ts
@@ -3,6 +3,7 @@
 
 import { assert } from 'chai';
 import * as sinon from 'sinon';
+import { LibSignalErrorBase } from '@signalapp/libsignal-client';
 
 import {
   _analyzeSenderKeyDevices,
@@ -172,7 +173,11 @@ describe('sendToGroup', () => {
     });
 
     it("returns true for any error with 'untrusted' identity", async () => {
-      const error = new Error('This was an untrusted identity.');
+      const error = new LibSignalErrorBase(
+        'untrusted identity',
+        'UntrustedIdentity',
+        'ignored'
+      );
       assert.isTrue(_shouldFailSend(error, 'logId'));
     });
 
diff --git a/ts/textsecure/AccountManager.ts b/ts/textsecure/AccountManager.ts
index c515c82d6..d4bca9006 100644
--- a/ts/textsecure/AccountManager.ts
+++ b/ts/textsecure/AccountManager.ts
@@ -575,7 +575,7 @@ export default class AccountManager extends EventTarget {
       } catch (error) {
         log.error(
           'Something went wrong deleting data from previous number',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     } else {
diff --git a/ts/textsecure/ContactsParser.ts b/ts/textsecure/ContactsParser.ts
index d03485efd..a73472bb8 100644
--- a/ts/textsecure/ContactsParser.ts
+++ b/ts/textsecure/ContactsParser.ts
@@ -8,6 +8,7 @@ import protobuf from '../protobuf/wrap';
 import { SignalService as Proto } from '../protobuf';
 import { normalizeUuid } from '../util/normalizeUuid';
 import { DurationInSeconds } from '../util/durations';
+import * as Errors from '../types/errors';
 import * as log from '../logging/log';
 
 import Avatar = Proto.ContactDetails.IAvatar;
@@ -90,10 +91,7 @@ abstract class ParserBase<
         expireTimer,
       };
     } catch (error) {
-      log.error(
-        'ProtoParser.next error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('ProtoParser.next error:', Errors.toLogFormat(error));
       return undefined;
     }
   }
diff --git a/ts/textsecure/Errors.ts b/ts/textsecure/Errors.ts
index 7ae40acb9..e7f63db4b 100644
--- a/ts/textsecure/Errors.ts
+++ b/ts/textsecure/Errors.ts
@@ -54,8 +54,9 @@ export class ReplayableError extends Error {
     name?: string;
     message: string;
     functionCode?: number;
+    cause?: unknown;
   }) {
-    super(options.message);
+    super(options.message, { cause: options.cause });
 
     this.name = options.name || 'ReplayableError';
     this.message = options.message;
@@ -71,7 +72,7 @@ export class ReplayableError extends Error {
 }
 
 export class OutgoingIdentityKeyError extends ReplayableError {
-  identifier: string;
+  public readonly identifier: string;
 
   // Note: Data to resend message is no longer captured
   constructor(incomingIdentifier: string) {
@@ -162,6 +163,7 @@ export class SendMessageChallengeError extends ReplayableError {
     super({
       name: 'SendMessageChallengeError',
       message: httpError.message,
+      cause: httpError,
     });
 
     [this.identifier] = identifier.split('.');
@@ -237,9 +239,7 @@ export class SendMessageProtoError extends Error implements CallbackResultType {
       return 'No errors';
     }
 
-    return errors
-      .map(error => (error.stackForLog ? error.stackForLog : error.toString()))
-      .join(', ');
+    return errors.map(error => error.toString()).join(', ');
   }
 }
 
diff --git a/ts/textsecure/OutgoingMessage.ts b/ts/textsecure/OutgoingMessage.ts
index 2f5922f63..94343eb3b 100644
--- a/ts/textsecure/OutgoingMessage.ts
+++ b/ts/textsecure/OutgoingMessage.ts
@@ -13,6 +13,8 @@ import type {
   PlaintextContent,
 } from '@signalapp/libsignal-client';
 import {
+  ErrorCode,
+  LibSignalErrorBase,
   CiphertextMessageType,
   ProtocolAddress,
   sealedSenderEncrypt,
@@ -34,6 +36,7 @@ import {
 import type { CallbackResultType, CustomError } from './Types.d';
 import { isValidNumber } from '../types/PhoneNumber';
 import { Address } from '../types/Address';
+import * as Errors from '../types/errors';
 import { QualifiedAddress } from '../types/QualifiedAddress';
 import { UUID, isValidUuid } from '../types/UUID';
 import { Sessions, IdentityKeys } from '../LibSignalStores';
@@ -244,8 +247,7 @@ export default class OutgoingMessage {
       }
     }
 
-    error.reason = reason;
-    error.stackForLog = providedError ? providedError.stack : undefined;
+    error.cause = reason;
 
     this.errors[this.errors.length] = error;
     this.numberCompleted();
@@ -284,21 +286,14 @@ export default class OutgoingMessage {
         : { accessKey: undefined };
     const { accessKey } = info;
 
-    try {
-      const { accessKeyFailed } = await getKeysForIdentifier(
-        identifier,
-        this.server,
-        updateDevices,
-        accessKey
-      );
-      if (accessKeyFailed && !this.failoverIdentifiers.includes(identifier)) {
-        this.failoverIdentifiers.push(identifier);
-      }
-    } catch (error) {
-      if (error?.message?.includes('untrusted identity for address')) {
-        error.timestamp = this.timestamp;
-      }
-      throw error;
+    const { accessKeyFailed } = await getKeysForIdentifier(
+      identifier,
+      this.server,
+      updateDevices,
+      accessKey
+    );
+    if (accessKeyFailed && !this.failoverIdentifiers.includes(identifier)) {
+      this.failoverIdentifiers.push(identifier);
     }
   }
 
@@ -626,8 +621,13 @@ export default class OutgoingMessage {
             );
           });
         }
-        if (error?.message?.includes('untrusted identity for address')) {
-          error.timestamp = this.timestamp;
+
+        let newError = error;
+        if (
+          error instanceof LibSignalErrorBase &&
+          error.code === ErrorCode.UntrustedIdentity
+        ) {
+          newError = new OutgoingIdentityKeyError(identifier);
           log.error(
             'Got "key changed" error from encrypt - no identityKey for application layer',
             identifier,
@@ -643,7 +643,8 @@ export default class OutgoingMessage {
               },
               innerError => {
                 log.error(
-                  `doSendMessage: Error closing sessions: ${innerError.stack}`
+                  'doSendMessage: Error closing sessions: ' +
+                    `${Errors.toLogFormat(innerError)}`
                 );
                 throw error;
               }
@@ -653,7 +654,7 @@ export default class OutgoingMessage {
         this.registerError(
           identifier,
           'Failed to create or send message',
-          error
+          newError
         );
 
         return undefined;
@@ -712,7 +713,7 @@ export default class OutgoingMessage {
         } catch (error) {
           log.error(
             `sendToIdentifier: Failed to fetch UUID for identifier ${identifier}`,
-            error && error.stack ? error.stack : error
+            Errors.toLogFormat(error)
           );
         }
       } else {
@@ -731,7 +732,10 @@ export default class OutgoingMessage {
       }
       await this.reloadDevicesAndSend(identifier, true)();
     } catch (error) {
-      if (error?.message?.includes('untrusted identity for address')) {
+      if (
+        error instanceof LibSignalErrorBase &&
+        error.code === ErrorCode.UntrustedIdentity
+      ) {
         const newError = new OutgoingIdentityKeyError(identifier);
         this.registerError(identifier, 'Untrusted identity', newError);
       } else {
diff --git a/ts/textsecure/getKeysForIdentifier.ts b/ts/textsecure/getKeysForIdentifier.ts
index b5e72c918..a808dee56 100644
--- a/ts/textsecure/getKeysForIdentifier.ts
+++ b/ts/textsecure/getKeysForIdentifier.ts
@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import {
+  ErrorCode,
+  LibSignalErrorBase,
   PreKeyBundle,
   processPreKeyBundle,
   ProtocolAddress,
@@ -9,9 +11,9 @@ import {
 } from '@signalapp/libsignal-client';
 
 import {
+  OutgoingIdentityKeyError,
   UnregisteredUserError,
   HTTPError,
-  OutgoingIdentityKeyError,
 } from './Errors';
 import { Sessions, IdentityKeys } from '../LibSignalStores';
 import { Address } from '../types/Address';
@@ -72,13 +74,6 @@ async function getServerKeys(
       }),
     };
   } catch (error: unknown) {
-    if (
-      error instanceof Error &&
-      error.message.includes('untrusted identity')
-    ) {
-      throw new OutgoingIdentityKeyError(identifier);
-    }
-
     if (
       accessKey &&
       isRecord(error) &&
@@ -155,22 +150,27 @@ async function handleServerKeys(
         ourUuid,
         new Address(theirUuid, deviceId)
       );
-      await window.textsecure.storage.protocol
-        .enqueueSessionJob(address, () =>
-          processPreKeyBundle(
-            preKeyBundle,
-            protocolAddress,
-            sessionStore,
-            identityKeyStore
-          )
-        )
-        .catch(error => {
-          if (error?.message?.includes('untrusted identity for address')) {
-            // eslint-disable-next-line no-param-reassign
-            error.identityKey = response.identityKey;
-          }
-          throw error;
-        });
+
+      try {
+        await window.textsecure.storage.protocol.enqueueSessionJob(
+          address,
+          () =>
+            processPreKeyBundle(
+              preKeyBundle,
+              protocolAddress,
+              sessionStore,
+              identityKeyStore
+            )
+        );
+      } catch (error) {
+        if (
+          error instanceof LibSignalErrorBase &&
+          error.code === ErrorCode.UntrustedIdentity
+        ) {
+          throw new OutgoingIdentityKeyError(identifier);
+        }
+        throw error;
+      }
     })
   );
 }
diff --git a/ts/types/Stickers.ts b/ts/types/Stickers.ts
index 0f609afb0..dfd3f9f3f 100644
--- a/ts/types/Stickers.ts
+++ b/ts/types/Stickers.ts
@@ -529,7 +529,7 @@ export async function downloadEphemeralPack(
     }
     log.error(
       `Ephemeral download error for sticker pack ${redactPackId(packId)}:`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
   }
 }
@@ -554,7 +554,7 @@ export async function downloadStickerPack(
     } catch (error) {
       log.error(
         'doDownloadStickerPack threw an error:',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   });
@@ -696,7 +696,7 @@ async function doDownloadStickerPack(
   } catch (error) {
     log.error(
       `Error downloading manifest for sticker pack ${redactPackId(packId)}:`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
 
     const pack = {
@@ -779,7 +779,7 @@ async function doDownloadStickerPack(
   } catch (error) {
     log.error(
       `Error downloading stickers for sticker pack ${redactPackId(packId)}:`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
 
     const errorStatus = 'error';
diff --git a/ts/types/errors.ts b/ts/types/errors.ts
index fd0ceeea1..7b65721a1 100644
--- a/ts/types/errors.ts
+++ b/ts/types/errors.ts
@@ -4,15 +4,20 @@
 import { get, has } from 'lodash';
 
 export function toLogFormat(error: unknown): string {
+  let result = '';
   if (error instanceof Error && error.stack) {
-    return error.stack;
+    result = error.stack;
+  } else if (has(error, 'message')) {
+    result = get(error, 'message');
+  } else {
+    result = String(error);
   }
 
-  if (has(error, 'message')) {
-    return get(error, 'message');
+  if (has(error, 'cause')) {
+    result += `\nCaused by: ${String(get(error, 'cause'))}`;
   }
 
-  return String(error);
+  return result;
 }
 
 export class ProfileDecryptError extends Error {}
diff --git a/ts/util/assert.ts b/ts/util/assert.ts
index b58c2f0ac..c4549be62 100644
--- a/ts/util/assert.ts
+++ b/ts/util/assert.ts
@@ -3,6 +3,7 @@
 
 import { getEnvironment, Environment } from '../environment';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 
 /**
  * In production and beta, logs a warning and continues. For development it
@@ -15,7 +16,7 @@ export function softAssert(condition: unknown, message: string): void {
     }
 
     const err = new Error(message);
-    log.warn('softAssert failure:', err && err.stack ? err.stack : err);
+    log.warn('softAssert failure:', Errors.toLogFormat(err));
   }
 }
 
@@ -34,7 +35,7 @@ export function assertDev(
       }
       throw err;
     }
-    log.error('assert failure:', err && err.stack ? err.stack : err);
+    log.error('assert failure:', Errors.toLogFormat(err));
   }
 }
 
diff --git a/ts/util/attachments.ts b/ts/util/attachments.ts
index 8cf3492a9..140b07b9e 100644
--- a/ts/util/attachments.ts
+++ b/ts/util/attachments.ts
@@ -8,11 +8,11 @@ import { getValue } from '../RemoteConfig';
 
 import { parseIntOrThrow } from './parseIntOrThrow';
 import { scaleImageToLevel } from './scaleImageToLevel';
-import { isRecord } from './isRecord';
 import type { AttachmentType } from '../types/Attachment';
 import { canBeTranscoded } from '../types/Attachment';
 import type { LoggerType } from '../types/Logging';
 import * as MIME from '../types/MIME';
+import * as Errors from '../types/errors';
 
 const MEBIBYTE = 1024 * 1024;
 const DEFAULT_MAX = 100 * MEBIBYTE;
@@ -87,8 +87,7 @@ export async function autoOrientJPEG(
 
     return xcodedAttachment;
   } catch (error: unknown) {
-    const errorString =
-      isRecord(error) && 'stack' in error ? error.stack : error;
+    const errorString = Errors.toLogFormat(error);
     logger.error(
       'autoOrientJPEG: Failed to rotate/scale attachment',
       errorString
diff --git a/ts/util/createIPCEvents.tsx b/ts/util/createIPCEvents.tsx
index 5747c056d..ce63d8ba7 100644
--- a/ts/util/createIPCEvents.tsx
+++ b/ts/util/createIPCEvents.tsx
@@ -14,6 +14,7 @@ import type {
   DefaultConversationColorType,
 } from '../types/Colors';
 import { DEFAULT_CONVERSATION_COLOR } from '../types/Colors';
+import * as Errors from '../types/errors';
 import * as Stickers from '../types/Stickers';
 import type { SystemTraySetting } from '../types/SystemTraySetting';
 import { parseSystemTraySetting } from '../types/SystemTraySetting';
@@ -453,7 +454,7 @@ export function createIPCEvents(
         window.isShowingModal = false;
         log.error(
           'showStickerPack: Ran into an error!',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         const errorView = new ReactWrapperView({
           className: 'error-modal-wrapper',
@@ -483,7 +484,7 @@ export function createIPCEvents(
       } catch (error) {
         log.error(
           'showGroupViaLink: Ran into an error!',
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
         const errorView = new ReactWrapperView({
           className: 'error-modal-wrapper',
diff --git a/ts/util/handleRetry.ts b/ts/util/handleRetry.ts
index 42b81542a..b80506262 100644
--- a/ts/util/handleRetry.ts
+++ b/ts/util/handleRetry.ts
@@ -102,7 +102,7 @@ export async function onRetryRequest(event: RetryRequestEvent): Promise<void> {
   } catch (error) {
     log.warn(
       `onRetryRequest/${logId}: Failed to parse integer from desktop.retryRespondMaxAge feature flag`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
   }
 
@@ -349,7 +349,7 @@ async function sendDistributionMessageOrNullMessage(
       } catch (error) {
         log.error(
           `sendDistributionMessageOrNullMessage/${logId}: Failed to send sender key distribution message`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     }
@@ -651,7 +651,7 @@ async function requestResend(decryptionError: DecryptionErrorEventData) {
   } catch (error) {
     log.error(
       `requestResend/${logId}: Failed to send retry request, failing over to automatic reset`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     startAutomaticSessionReset(decryptionError);
     return;
diff --git a/ts/util/hasExpired.ts b/ts/util/hasExpired.ts
index f13bf4435..63434b579 100644
--- a/ts/util/hasExpired.ts
+++ b/ts/util/hasExpired.ts
@@ -4,6 +4,7 @@
 import { Environment, getEnvironment } from '../environment';
 import { isInPast } from './timestamp';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 
 const ONE_DAY_MS = 86400 * 1000;
 const NINETY_ONE_DAYS = 91 * ONE_DAY_MS;
@@ -18,7 +19,7 @@ export function hasExpired(): boolean {
       log.info('Build expires: ', new Date(buildExpiration).toISOString());
     }
   } catch (e) {
-    log.error('Error retrieving build expiration date', e.stack);
+    log.error('Error retrieving build expiration date', Errors.toLogFormat(e));
 
     return true;
   }
diff --git a/ts/util/imageToBlurHash.ts b/ts/util/imageToBlurHash.ts
index 76b6967ff..17bbb1c97 100644
--- a/ts/util/imageToBlurHash.ts
+++ b/ts/util/imageToBlurHash.ts
@@ -13,9 +13,9 @@ const loadImageData = async (input: Input): Promise<ImageData> => {
       canvasOrError => {
         if (canvasOrError instanceof Event && canvasOrError.type === 'error') {
           const processError = new Error(
-            'imageToBlurHash: Failed to process image'
+            'imageToBlurHash: Failed to process image',
+            { cause: canvasOrError }
           );
-          processError.originalError = canvasOrError;
           reject(processError);
           return;
         }
diff --git a/ts/util/longRunningTaskWrapper.tsx b/ts/util/longRunningTaskWrapper.tsx
index 4c817330a..2006ced72 100644
--- a/ts/util/longRunningTaskWrapper.tsx
+++ b/ts/util/longRunningTaskWrapper.tsx
@@ -6,6 +6,7 @@ import { ReactWrapperView } from '../views/ReactWrapperView';
 import { ErrorModal } from '../components/ErrorModal';
 import { ProgressModal } from '../components/ProgressModal';
 import * as log from '../logging/log';
+import * as Errors from '../types/errors';
 import { clearTimeoutIfNecessary } from './clearTimeoutIfNecessary';
 
 export async function longRunningTaskWrapper<T>({
@@ -62,7 +63,7 @@ export async function longRunningTaskWrapper<T>({
   } catch (error) {
     log.error(
       `longRunningTaskWrapper/${idLog}: Error!`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
 
     clearTimeoutIfNecessary(progressTimeout);
diff --git a/ts/util/preload.ts b/ts/util/preload.ts
index 82b836705..a5ee89ce0 100644
--- a/ts/util/preload.ts
+++ b/ts/util/preload.ts
@@ -4,6 +4,7 @@
 import { ipcRenderer } from 'electron';
 
 import { strictAssert } from './assert';
+import * as Errors from '../types/errors';
 import type { UnwrapPromise } from '../types/Util';
 import type {
   IPCEventsValuesType,
@@ -104,11 +105,7 @@ export function installSetting(
       try {
         ipcRenderer.send('settings:response', seq, null, await getFn());
       } catch (error) {
-        ipcRenderer.send(
-          'settings:response',
-          seq,
-          error && error.stack ? error.stack : error
-        );
+        ipcRenderer.send('settings:response', seq, Errors.toLogFormat(error));
       }
     });
   }
@@ -132,11 +129,7 @@ export function installSetting(
         await setFn(value);
         ipcRenderer.send('settings:response', seq, null);
       } catch (error) {
-        ipcRenderer.send(
-          'settings:response',
-          seq,
-          error && error.stack ? error.stack : error
-        );
+        ipcRenderer.send('settings:response', seq, Errors.toLogFormat(error));
       }
     });
   }
@@ -152,11 +145,7 @@ export function installCallback<Name extends keyof IPCEventsCallbacksType>(
     try {
       ipcRenderer.send('settings:response', seq, null, await hook(...args));
     } catch (error) {
-      ipcRenderer.send(
-        'settings:response',
-        seq,
-        error && error.stack ? error.stack : error
-      );
+      ipcRenderer.send('settings:response', seq, Errors.toLogFormat(error));
     }
   });
 }
diff --git a/ts/util/processAttachment.ts b/ts/util/processAttachment.ts
index 3d28766f9..13739303c 100644
--- a/ts/util/processAttachment.ts
+++ b/ts/util/processAttachment.ts
@@ -8,6 +8,7 @@ import type {
   AttachmentDraftType,
   InMemoryAttachmentDraftType,
 } from '../types/Attachment';
+import * as Errors from '../types/errors';
 import { getMaximumAttachmentSize } from './attachments';
 import { AttachmentToastType } from '../types/AttachmentToastType';
 import { fileToBytes } from './fileToBytes';
@@ -105,7 +106,7 @@ export async function processAttachment(
   } catch (e) {
     log.error(
       `Was unable to generate thumbnail for fileType ${fileType}`,
-      e && e.stack ? e.stack : e
+      Errors.toLogFormat(e)
     );
     const data = await fileToBytes(file);
     attachment = {
@@ -125,7 +126,7 @@ export async function processAttachment(
   } catch (error) {
     log.error(
       'Error ensuring that image is properly sized:',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
 
     throw error;
diff --git a/ts/util/queueAttachmentDownloads.ts b/ts/util/queueAttachmentDownloads.ts
index fb02e2373..22f242692 100644
--- a/ts/util/queueAttachmentDownloads.ts
+++ b/ts/util/queueAttachmentDownloads.ts
@@ -19,6 +19,7 @@ import type {
   MessageAttributesType,
   QuotedMessageType,
 } from '../model-types.d';
+import * as Errors from '../types/errors';
 import type { StickerType } from '../types/Stickers';
 import type { LinkPreviewType } from '../types/message/LinkPreviews';
 
@@ -222,7 +223,7 @@ export async function queueAttachmentDownloads(
       } catch (error) {
         log.error(
           `Problem copying sticker (${packId}, ${stickerId}) to attachments:`,
-          error && error.stack ? error.stack : error
+          Errors.toLogFormat(error)
         );
       }
     }
diff --git a/ts/util/scaleImageToLevel.ts b/ts/util/scaleImageToLevel.ts
index d885c9008..f183f7e94 100644
--- a/ts/util/scaleImageToLevel.ts
+++ b/ts/util/scaleImageToLevel.ts
@@ -8,7 +8,6 @@ import { IMAGE_JPEG } from '../types/MIME';
 import { canvasToBlob } from './canvasToBlob';
 import { getValue } from '../RemoteConfig';
 import { parseNumber } from './libphonenumberUtil';
-import { isRecord } from './isRecord';
 
 enum MediaQualityLevels {
   One = 1,
@@ -126,13 +125,10 @@ export async function scaleImageToLevel(
       throw new Error('image not a canvas');
     }
     ({ image } = data);
-  } catch (err) {
-    const errorString = isRecord(err) && 'stack' in err ? err.stack : err;
-    const error = new Error(
-      'scaleImageToLevel: Failed to process image',
-      errorString
-    );
-    error.originalError = err;
+  } catch (cause) {
+    const error = new Error('scaleImageToLevel: Failed to process image', {
+      cause,
+    });
     throw error;
   }
 
diff --git a/ts/util/sendToGroup.ts b/ts/util/sendToGroup.ts
index da2685f3d..2b38c1978 100644
--- a/ts/util/sendToGroup.ts
+++ b/ts/util/sendToGroup.ts
@@ -5,6 +5,7 @@ import { differenceWith, omit, partition } from 'lodash';
 
 import {
   ErrorCode,
+  LibSignalErrorBase,
   groupEncrypt,
   ProtocolAddress,
   sealedSenderMultiRecipientEncrypt,
@@ -21,6 +22,7 @@ import {
 import { Address } from '../types/Address';
 import { QualifiedAddress } from '../types/QualifiedAddress';
 import { UUID } from '../types/UUID';
+import * as Errors from '../types/errors';
 import { getValue, isEnabled } from '../RemoteConfig';
 import type { UUIDStringType } from '../types/UUID';
 import { isRecord } from './isRecord';
@@ -216,7 +218,7 @@ export async function sendContentMessageToGroup({
 
       log.error(
         `sendToGroup/${logId}: Sender Key send failed, logging, proceeding to normal send`,
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     }
   }
@@ -581,7 +583,10 @@ export async function sendToGroupViaSenderKey(options: {
         recursionCount: recursionCount + 1,
       });
     }
-    if (error.code === ErrorCode.InvalidRegistrationId && error.addr) {
+    if (
+      error instanceof LibSignalErrorBase &&
+      error.code === ErrorCode.InvalidRegistrationId
+    ) {
       const address = error.addr as ProtocolAddress;
       const name = address.name();
 
@@ -742,7 +747,7 @@ function getSenderKeyExpireDuration(): number {
   } catch (error) {
     log.warn(
       `getSenderKeyExpireDuration: Failed to parse integer. Using default of ${MAX_SENDER_KEY_EXPIRE_DURATION}.`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return MAX_SENDER_KEY_EXPIRE_DURATION;
   }
@@ -753,7 +758,10 @@ export function _shouldFailSend(error: unknown, logId: string): boolean {
     log.error(`_shouldFailSend/${logId}: ${message}`);
   };
 
-  if (error instanceof Error && error.message.includes('untrusted identity')) {
+  if (
+    error instanceof LibSignalErrorBase &&
+    error.code === ErrorCode.UntrustedIdentity
+  ) {
     logError("'untrusted identity' error, failing.");
     return true;
   }
@@ -1271,7 +1279,7 @@ async function fetchKeysForIdentifiers(
   } catch (error) {
     log.error(
       'fetchKeysForIdentifiers: Failed to fetch keys:',
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     throw error;
   }
diff --git a/ts/views/conversation_view.tsx b/ts/views/conversation_view.tsx
index 728c4188c..6135d7812 100644
--- a/ts/views/conversation_view.tsx
+++ b/ts/views/conversation_view.tsx
@@ -12,6 +12,7 @@ import { render } from 'mustache';
 import type { AttachmentType } from '../types/Attachment';
 import { isGIF } from '../types/Attachment';
 import * as Stickers from '../types/Stickers';
+import * as Errors from '../types/errors';
 import type { DraftBodyRangesType } from '../types/Util';
 import type { MIMEType } from '../types/MIME';
 import type { ConversationModel } from '../models/conversations';
@@ -1693,7 +1694,7 @@ export class ConversationView extends window.Backbone.View<ConversationModel> {
         } catch (error) {
           log.error(
             'Error sending delete-for-everyone',
-            error && error.stack,
+            Errors.toLogFormat(error),
             messageId
           );
           showToast(ToastDeleteForEveryoneFailed);
@@ -2375,7 +2376,7 @@ export class ConversationView extends window.Backbone.View<ConversationModel> {
       const { packId, stickerId } = options;
       this.model.sendStickerMessage(packId, stickerId);
     } catch (error) {
-      log.error('clickSend error:', error && error.stack ? error.stack : error);
+      log.error('clickSend error:', Errors.toLogFormat(error));
     }
   }
 
@@ -2531,10 +2532,7 @@ export class ConversationView extends window.Backbone.View<ConversationModel> {
       }
     } catch (error) {
       this.enableMessageField();
-      log.error(
-        'sendMessage error:',
-        error && error.stack ? error.stack : error
-      );
+      log.error('sendMessage error:', Errors.toLogFormat(error));
       return;
     }
 
@@ -2596,7 +2594,7 @@ export class ConversationView extends window.Backbone.View<ConversationModel> {
     } catch (error) {
       log.error(
         'Error pulling attached files before send',
-        error && error.stack ? error.stack : error
+        Errors.toLogFormat(error)
       );
     } finally {
       this.enableMessageField();
diff --git a/ts/window.d.ts b/ts/window.d.ts
index 5b58c3ea6..a0e27d684 100644
--- a/ts/window.d.ts
+++ b/ts/window.d.ts
@@ -3,13 +3,10 @@
 
 // Captures the globals put in place by preload.js, background.js and others
 
-/* eslint-disable max-classes-per-file */
-
 import type { Store } from 'redux';
 import type * as Backbone from 'backbone';
 import type * as Underscore from 'underscore';
 import type PQueue from 'p-queue/dist';
-import type { Ref } from 'react';
 import type { assert } from 'chai';
 import type * as Mustache from 'mustache';
 
@@ -358,15 +355,6 @@ declare global {
     };
   }
 
-  interface Error {
-    originalError?: Event;
-    reason?: unknown;
-    stackForLog?: string;
-
-    // Used in sticker creator to attach messages to errors
-    errorMessageI18nKey?: string;
-  }
-
   interface Element {
     // WebKit-specific
     scrollIntoViewIfNeeded: (bringToCenter?: boolean) => void;
@@ -387,19 +375,6 @@ declare global {
   }
 }
 
-export class GumVideoCapturer {
-  constructor(
-    maxWidth: number,
-    maxHeight: number,
-    maxFramerate: number,
-    localPreview: Ref<HTMLVideoElement>
-  );
-}
-
-export class CanvasVideoRenderer {
-  constructor(canvas: Ref<HTMLCanvasElement>);
-}
-
 export type WhisperType = {
   Conversation: typeof ConversationModel;
   ConversationCollection: typeof ConversationModelCollectionType;
diff --git a/ts/windows/main/phase1-ipc.ts b/ts/windows/main/phase1-ipc.ts
index aeadb3105..e2fe2b71a 100644
--- a/ts/windows/main/phase1-ipc.ts
+++ b/ts/windows/main/phase1-ipc.ts
@@ -11,6 +11,7 @@ import { ThemeType } from '../../types/Util';
 import { getEnvironment, Environment } from '../../environment';
 import { SignalContext } from '../context';
 import * as log from '../../logging/log';
+import * as Errors from '../../types/errors';
 
 import { strictAssert } from '../../util/assert';
 
@@ -90,7 +91,7 @@ window.isBeforeVersion = (toCheck, baseVersion) => {
   } catch (error) {
     log.error(
       `isBeforeVersion error: toCheck: ${toCheck}, baseVersion: ${baseVersion}`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return true;
   }
@@ -101,7 +102,7 @@ window.isAfterVersion = (toCheck, baseVersion) => {
   } catch (error) {
     log.error(
       `isBeforeVersion error: toCheck: ${toCheck}, baseVersion: ${baseVersion}`,
-      error && error.stack ? error.stack : error
+      Errors.toLogFormat(error)
     );
     return true;
   }
@@ -305,7 +306,7 @@ ipc.on('delete-all-data', async () => {
   try {
     await deleteAllData();
   } catch (error) {
-    log.error('delete-all-data: error', error && error.stack);
+    log.error('delete-all-data: error', Errors.toLogFormat(error));
   }
 });
 
@@ -362,10 +363,7 @@ ipc.on('get-ready-for-shutdown', async () => {
     await shutdown();
     ipc.send('now-ready-for-shutdown');
   } catch (error) {
-    ipc.send(
-      'now-ready-for-shutdown',
-      error && error.stack ? error.stack : error
-    );
+    ipc.send('now-ready-for-shutdown', Errors.toLogFormat(error));
   }
 });
 
diff --git a/ts/workers/heicConverterWorker.ts b/ts/workers/heicConverterWorker.ts
index caed5af0b..88707e2a5 100644
--- a/ts/workers/heicConverterWorker.ts
+++ b/ts/workers/heicConverterWorker.ts
@@ -18,7 +18,7 @@ const port = parentPort;
 function respond(uuid: string, error: Error | undefined, response?: File) {
   const wrappedResponse: WrappedWorkerResponse = {
     uuid,
-    error: error ? error.stack : undefined,
+    error: error?.stack,
     response,
   };
   port.postMessage(wrappedResponse);