
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 open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...

Windows activation often fails when a proxy server is blocking the connection to Microsoft's acti...

When you try to clear the PowerShell cache (for example, deleting the $env:Temp\* fi...

If the Microsoft Store shows errors like 'Something went wrong' or fails to load pages, a misconf...

You open Outlook on Windows 10, and it sits at the "Loading profile" screen for minutes or never ...