How to Enable Windows Security Real-Time Protection
If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labTroubleshoot Windows Defender Update Stuck at 0%
You open Windows Security, trigger an update, and the progress bar sits at 0% for minutes or hour...
Fix Windows Update Service Fails to Start After Update
After installing a Windows update, you may find that the Windows Update service (wuauserv) fails ...
Fix OneDrive Sign-In Issues on Windows 10
You try to sign in to OneDrive on Windows 10, but it either hangs, shows an error, or loops back ...
How to Fix 'Windows Defender Module Not Found' Error
If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...
Fix Windows Defender Not Starting Due to Invalid Config
If Windows Defender won't start and you see an error about invalid configuration, the problem is ...