Fix Windows Update Error 0x80070020: File Locked
You try to install Windows updates but get error 0x80070020. This usually means another program o...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Security Can't Connect to Server Error
When you see "Windows Security cannot connect to the server" while trying to sign in or access a ...
Fix Windows Activation Error After Clean Boot
You've performed a clean boot to troubleshoot a problem, and now Windows reports an activation er...
Configure Proxy Settings for Windows Update
If Windows Update fails to check for updates or downloads get stuck, a misconfigured proxy is a c...
Step-by-Step Windows Activation Configuration Guide
If Windows shows an activation warning or you are setting up a new PC, follow these steps to conf...
Fix Windows Defender Rate Limit Error Not Working
If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...