How to Fix Windows Defender Threat Service Stopped
If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix High PowerShell Memory Usage After Closing
You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...
Fix 'File Locked by Windows Security Cannot Delete'
You try to delete a file, and Windows tells you it's locked by Windows Security. This often happe...
How to Fix Windows Defender Error 0x800704ec
When you try to open Windows Defender (now called Microsoft Defender Antivirus) and see error cod...
Fix Windows Security 404 Not Found Permissions Issue
You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...
Windows Defender Rate Limit Error Troubleshooting Checklist
You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...