
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...

When running Windows Update, you might see an error message like "404 Not Found" or code 0x802440...

You try to sync files with OneDrive, but the sync stops and you see an error like "Sync failed – ...

After a major Windows update, you might notice your system drive has less free space. This is usu...

Windows Terminal hangs on startup—you click the icon, the window appears but stays frozen or whit...

You're trying to update Windows, but error 0x80070643 stops the process. This usually means the u...