
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've waited for the update to finish, but the progress bar is stuck at 100% for what feels like...

After a Windows update, you might see an activation error like “We can’t activate Windows on this...

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

You open Outlook and see an error: "Outlook file locked by another user permission denied."

You're trying to delete a file in Windows, but you get an error saying the file is open in 'comma...