
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...
Software troubleshooting desk

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

When you run the System File Checker (SFC) in Windows and it fails with error 0x80073712, the mes...

If Windows Defender shows a sync error with a proxy-related message, it usually means Defender ca...

After installing a Windows update, you might see a "Connection timeout" error when opening Window...

When Windows Security fails to connect to the internet, you might see error messages like "Connec...

If you see error 0x8004de40 when syncing OneDrive, it usually means your computer cannot verify t...