Fix Windows Security Service Not Running for Antivirus
If Windows Security shows 'Service not running' or your antivirus isn't working, the underlying s...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Search Not Showing Results Due to Permission Errors
You type a query into the Start menu or File Explorer search box, but no results appear—or only p...
How to Fix Windows Security Access Denied on Startup
If you see an "Access Denied" error when Windows Security tries to open at startup, the antivirus...
Setup OneDrive to Ignore SSL Certificate Errors
If you're using OneDrive with a corporate proxy or internal server that uses a self-signed or exp...
Fix OneDrive Sync Error 0x80070020: File Locked
OneDrive sync error 0x80070020 typically appears when a file is locked by another application (e....
Fix Windows Defender Error 0x800704ec
You see error 0x800704ec when opening Windows Defender or Windows Security. The message says auth...