
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Software troubleshooting desk

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

You're using Windows Terminal and suddenly see a 502 Bad Gateway error when tryi...

If you see error 0x80072efd when opening Microsoft Store, it usually means the app can't reach it...

If you're troubleshooting a Microsoft Store issue and find that the log file isn't being created ...

If Windows Search shows a network error or stops working, it's often due to indexing issues, corr...

If your system feels sluggish and you notice high CPU usage from 'Windows Security' or 'Antimalwa...