
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...

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

You open Windows Security and see 'Windows Security module not found' or the app fails to launch....

You're trying to access a site or use a Chrome extension and get a vague "permission denied" mess...

If you see "Sync is paused" in Microsoft Edge on Windows 10, your bookmarks, passwords, and setti...

Many Windows commands require administrator privileges. If you try to run a command that needs el...