
Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
Software troubleshooting desk

If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

You're trying to install or update Microsoft Teams, and you see an error like 'Module not found' ...

You click Start for the Windows Update service, and it fails with “Permission Denied” or error 5....

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

If you see a '404 not found' error when trying to open Windows Terminal from Visual Studio Code, ...

You open Windows Search, type a query, and instead of results you see a 504 gateway timeout error...