
Fix Windows Defender High CPU Usage with Registry Tweaks
If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

If your Windows 10 system fan is spinning up and Task Manager shows SearchIndexer.exe using 30-90...

If you've booted into Safe Mode and Windows Defender won't start, shows a loading spinner indefin...

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

When running Disk Cleanup or the Windows Update troubleshooter, you might see error 0x80070002 an...

You see an error that Windows activation failed to start sync with your Microsoft account. This u...