Fix Windows Activation Service Not Running
If you see an error saying the Windows Activation service is not running, your system may not be ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Defender Connection Refused or Permission Denied Errors
If you see "connection refused" or "permission denied" when trying to start or update Windows Def...
Fix Remote Desktop Version Mismatch Between Client and Server
When you try to connect to a remote PC and get an error like “The remote computer requires Ne...
How to Fix Windows Defender Not Working
If Windows Defender won't open, stops responding, or fails to update, you're not alone. This guid...
Fix 504 Gateway Timeout in Windows Security After Update
If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...
Fix Windows Defender Threat Service Stopped & No Internet
You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...