How to Reinstall Windows Defender in Windows 10
Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labWindows Activation Log File Not Found: How to Fix
When you see the error 'Windows activation log file not found', it usually means the system canno...
Fix Windows Defender Performance Issues After Update
After a recent Windows update, you might notice Windows Defender (Microsoft Defender Antivirus) c...
How to Fix PowerShell High CPU Usage on Windows 10
If you notice PowerShell consuming a large amount of CPU on your Windows 10 machine, it can slow ...
How to Rearm Windows Activation Grace Period
When Windows is not activated, you have a limited time (typically 30 days) before it starts showi...
Fix Windows Defender Update Error 0x80070643
If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...