
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 the Microsoft Store, and your CPU fan spins up. Task Manager shows Store using 30-50% CP...

You downloaded the Windows Security offline installer but it won't run, hangs, or throws an error...

You see a GitLab Runner job stuck in "pending" status, and the job log shows a "permission denied...

If you're trying to download or update an app from the Microsoft Store and the progress bar stays...

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...