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Troubleshoot 504 Gateway Timeout in Windows Security App - Resolve 'Permission Denied' When Windows Update Starts Automatically-UFW Port Closed Despite Allow Rule: Fixes

Updated 2026-06-13 21:49:35cloud-software
Troubleshoot 504 Gateway Timeout in Windows Security App - Resolve 'Permission Denied' When Windows Update Starts Automatically-UFW Port Closed Despite Allow Rule: Fixes
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.