How to Fix Windows Defender Connection Refused Error
If you see a 'connection refused' message when opening Windows Defender or updating virus definit...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Defender Path Not Found Error 0x80070643
When you try to update or run Windows Defender, you might see error 0x80070643 with a message lik...
Fix Windows Security and Defender Conflicts: Step-by-Step
You install a third-party antivirus, but Windows Security still pops up with alerts, or you see e...
Fix Windows Search Module Not Found After Update
After a Windows update, you might see an error that the search module is not found, or the search...
How to Reset Microsoft Store SSL Certificate
If you see errors like 'Certificate not valid' or 'SSL connection error' when opening Microsoft S...
How to Fix Microsoft Store Not Opening on Boot
If the Microsoft Store fails to launch when Windows starts, you may see no window at all or an ap...