Fix Windows Defender Error 0x800106ba: Failed to Start
If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Speed Up Slow Windows Defender Scans
If Windows Defender is taking hours to run a scan, you're not alone. The built-in antivirus can s...
Run VS Code as Administrator to Fix PowerShell Permission Denied
If you get "permission denied" errors when running PowerShell commands in VS Code, the problem is...
How to Fix Windows Activation Authentication Failed Error
When Windows reports 'activation authentication failed' during activation, it usually means the s...
How to Fix OneDrive Sync Service Unavailable Error
You open OneDrive and see “Sync service unavailable” or “We can’t sync your files.” This usually ...
How to Temporarily Turn Off Windows Security for Troubleshooting
If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...