Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix Windows Security DNS Error 0x800704cf
You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...
Fix Windows Update Error 0x80070643 in Windows 11
You're trying to install a Windows 11 update, but it fails with error 0x80070643. This usually me...
Fix 'Command Not Found' When Setting Up Windows Update via Command Line
When you try to run wuauclt, UsoClient, or Install-Module PSWindo...
Fix PowerShell Backup Restore Sync Errors Between Source and Destination
When using PowerShell scripts for backup and restore, sync errors between source and destination ...
Set PowerShell to Auto-Start as Administrator on Boot
If you need PowerShell to launch with admin rights every time you boot your Windows machine—for r...