
Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

If you're stuck in a Microsoft Store login loop—where it asks you to sign in repeatedly or never ...

If Microsoft Teams fails to connect, shows a 'proxy authentication required' error, or behaves er...

You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...

You might see an error saying 'Windows Update auto start failed to start' when you try to check f...

You see files in OneDrive online but they won't download or sync to your PC. The sync icon shows ...