
Windows Defender High CPU and Memory Usage Not Working: Fixes
If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...
Software troubleshooting desk

If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

You try to open Windows Security (Windows Defender) and see a network error like “Something went ...

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

When you see error 0x800f0922 while running Windows Update, it usually means the update can't con...