Repair Windows Security Module Registry: Step-by-Step Guide
If Windows Security (formerly Windows Defender) won't open, shows errors like "This app has been ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix 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...
How to Fix Windows Search Permission Denied Registry Error
When Windows Search fails with a 'permission denied' error in the registry, the search indexer ca...
Troubleshooting Slow PowerShell Backup and Restore
When PowerShell scripts for backup or restore operations run much slower than expected, the delay...
Fix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Windows Defender 502 Bad Gateway Permission Denied
If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...