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Fixing Brave Browser Sync Permission Denied Errors - Windows Defender Update Failure Checklist-Troubleshooting Nginx 404 Errors on API Calls

Updated 2026-06-13 14:27:08macos-help
Fixing Brave Browser Sync Permission Denied Errors - Windows Defender Update Failure Checklist-Troubleshooting Nginx 404 Errors on API Calls
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.