Fix Windows Defender Service Not Starting (Error 404)
If you see error 404 when trying to start Windows Defender, it usually means the service executab...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Chrome Profile Port Already Allocated on Mac
You try to launch Chrome on your Mac and get an error like 'profile port already allocated' or 'c...
Windows Defender Not Working After Update: Checklist
After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...
Fix Task Scheduler 'Update Permission Denied' Error
When you try to modify a scheduled task in Windows Task Scheduler and see 'update permission deni...
Fix Windows Terminal Path Not Found or Access Denied
When launching Windows Terminal, you may see errors like "The system cannot find the path specifi...
How to Fix Windows Defender Version Mismatch on Windows 10
You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...