
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 you open Microsoft Store and see "Service Unavailable Permission Denied", i...

When running PowerShell commands that require network access (e.g., Invoke-WebRequest

If Windows Security won't open—clicking the icon or searching for it does nothing—you're not alon...

If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...

If you open Microsoft Store and it just shows a spinning circle or a blank white screen that neve...