diff --git a/apps/browser-extension/src/entrypoints/popup/components/Dialogs/MobileUnlockModal.tsx b/apps/browser-extension/src/entrypoints/popup/components/Dialogs/MobileUnlockModal.tsx
index 0c3e05683..398376d47 100644
--- a/apps/browser-extension/src/entrypoints/popup/components/Dialogs/MobileUnlockModal.tsx
+++ b/apps/browser-extension/src/entrypoints/popup/components/Dialogs/MobileUnlockModal.tsx
@@ -40,7 +40,7 @@ const MobileUnlockModal: React.FC<IMobileUnlockModalProps> = ({
   const getErrorMessage = (errorCode: MobileLoginErrorCode): string => {
     switch (errorCode) {
       case MobileLoginErrorCode.TIMEOUT:
-        return t('auth.errors.mobileLoginRequestExpired');
+        return t('common.errors.mobileLoginRequestExpired');
       case MobileLoginErrorCode.GENERIC:
       default:
         return t('common.errors.unknownError');
diff --git a/apps/browser-extension/src/entrypoints/popup/pages/auth/Login.tsx b/apps/browser-extension/src/entrypoints/popup/pages/auth/Login.tsx
index 5a398269e..c295d9577 100644
--- a/apps/browser-extension/src/entrypoints/popup/pages/auth/Login.tsx
+++ b/apps/browser-extension/src/entrypoints/popup/pages/auth/Login.tsx
@@ -287,9 +287,9 @@ const Login: React.FC = () => {
         setError(t('common.apiErrors.' + err.message));
       } else if (hasErrorCode(err)) {
         // Error contains an error code (E-XXX), show the formatted message as-is
-        setError(getErrorMessage(err, t('auth.errors.serverError')));
+        setError(getErrorMessage(err, t('common.errors.serverError')));
       } else {
-        setError(t('auth.errors.serverError'));
+        setError(t('common.errors.serverError'));
       }
       hideLoading();
     }
@@ -312,7 +312,7 @@ const Login: React.FC = () => {
       // Validate that 2FA code is a 6-digit number
       const code = twoFactorCode.trim();
       if (!/^\d{6}$/.test(code)) {
-        throw new Error(t('auth.errors.invalidCode'));
+        throw new Error(t('common.errors.invalidCode'));
       }
 
       const twoFaUsername = SrpAuthService.normalizeUsername(credentials.username);
@@ -351,9 +351,9 @@ const Login: React.FC = () => {
         setError(t('common.apiErrors.' + err.message));
       } else if (hasErrorCode(err)) {
         // Error contains an error code (E-XXX), show the formatted message as-is
-        setError(getErrorMessage(err, t('auth.errors.serverError')));
+        setError(getErrorMessage(err, t('common.errors.serverError')));
       } else {
-        setError(t('auth.errors.serverError'));
+        setError(t('common.errors.serverError'));
       }
       hideLoading();
     }
diff --git a/apps/browser-extension/src/entrypoints/popup/pages/auth/Unlock.tsx b/apps/browser-extension/src/entrypoints/popup/pages/auth/Unlock.tsx
index 84aefa1ba..e17f07e4c 100644
--- a/apps/browser-extension/src/entrypoints/popup/pages/auth/Unlock.tsx
+++ b/apps/browser-extension/src/entrypoints/popup/pages/auth/Unlock.tsx
@@ -281,7 +281,7 @@ const Unlock: React.FC = () => {
       const sqliteClient = await dbContext.loadStoredDatabase();
       if (!sqliteClient) {
         // Edge case: no vault loaded but no error thrown (shouldn't happen)
-        throw new Error(t('auth.errors.wrongPassword'));
+        throw new Error(t('common.errors.wrongPassword'));
       }
 
       // Check if there are pending migrations
@@ -305,9 +305,9 @@ const Unlock: React.FC = () => {
         await app.logout(err.message);
       } else if (hasErrorCode(err)) {
         // Error contains an error code (E-XXX), show the formatted message as-is
-        setError(getErrorMessage(err, t('auth.errors.wrongPassword')));
+        setError(getErrorMessage(err, t('common.errors.wrongPassword')));
       } else {
-        setError(t('auth.errors.wrongPassword'));
+        setError(t('common.errors.wrongPassword'));
       }
       console.error('Unlock error:', err);
     } finally {
diff --git a/apps/browser-extension/src/i18n/locales/en.json b/apps/browser-extension/src/i18n/locales/en.json
index 1b4b20724..d4078a07a 100644
--- a/apps/browser-extension/src/i18n/locales/en.json
+++ b/apps/browser-extension/src/i18n/locales/en.json
@@ -28,14 +28,7 @@
     "switchAccounts": "Switch accounts?",
     "loginWithMobile": "Log in using Mobile App",
     "unlockWithMobile": "Unlock using Mobile App",
-    "scanQrCode": "Scan this QR code with your AliasVault mobile app to log in and unlock your vault.",
-    "errors": {
-      "invalidCode": "Please enter a valid 6-digit authentication code.",
-      "serverError": "Could not reach AliasVault server. Please try again later or contact support if the problem persists.",
-      "wrongPassword": "Incorrect password. Please try again.",
-      "sessionExpired": "Your session has expired. Please log in again.",
-      "mobileLoginRequestExpired": "Mobile login request timed out. Please reload the page and try again."
-    }
+    "scanQrCode": "Scan this QR code with your AliasVault mobile app to log in and unlock your vault."
   },
   "menu": {
     "vault": "Vault",
@@ -106,7 +99,12 @@
       "vaultIsLocked": "Vault is locked",
       "passwordChanged": "Your password has changed since the last time you logged in. Please login again for security reasons.",
       "syncConflictMaxRetries": "Could not sync vault after multiple attempts. Please try again later.",
-      "mergeFailed": "Failed to merge vault changes. Please try again."
+      "mergeFailed": "Failed to merge vault changes. Please try again.",
+      "invalidCode": "Please enter a valid 6-digit authentication code.",
+      "serverError": "Could not reach AliasVault server. Please try again later or contact support if the problem persists.",
+      "wrongPassword": "Incorrect password. Please try again.",
+      "sessionExpired": "Your session has expired. Please log in again.",
+      "mobileLoginRequestExpired": "Mobile login request timed out. Please reload the page and try again."
     },
     "apiErrors": {
       "UNKNOWN_ERROR": "An unknown error occurred. Please try again.",
diff --git a/apps/browser-extension/src/utils/WebApiService.ts b/apps/browser-extension/src/utils/WebApiService.ts
index dca853d1b..dea36f63d 100644
--- a/apps/browser-extension/src/utils/WebApiService.ts
+++ b/apps/browser-extension/src/utils/WebApiService.ts
@@ -78,7 +78,7 @@ export class WebApiService {
 
           return parseJson ? retryResponse.json() : retryResponse as unknown as T;
         } else {
-          logoutEventEmitter.emit('auth.errors.sessionExpired');
+          logoutEventEmitter.emit('common.errors.sessionExpired');
           throw new ApiAuthError('Session expired');
         }
       }
@@ -281,7 +281,7 @@ export class WebApiService {
       this.updateTokens(tokenResponse.token, tokenResponse.refreshToken);
       return tokenResponse.token;
     } catch {
-      logoutEventEmitter.emit('auth.errors.sessionExpired');
+      logoutEventEmitter.emit('common.errors.sessionExpired');
       return null;
     }
   }