How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Migration Tool Not Working on Windows 10
You've launched the PowerShell migration tool on Windows 10, but it fails to start, throws errors...
How to Fix Nginx Permission Denied Errors
If you see 13: Permission denied in your Nginx error log, Nginx cannot read a file o...
Fix Microsoft Store Not Opening After Windows Update
After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...
Fix Windows Defender Not Working After Update
After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...
Fix Chrome Update Error 12: Permission Denied
When Chrome fails to update and shows error 12 with a 'permission denied' message, it usually mea...
Topic paths
Quick titles
Fix Systemd Service Restart LoopFix PowerShell High CPU Usage with Error 0x80070005How to Fix Remote Desktop NLA Authentication ErrorFix Remote Desktop Authentication ErrorWindows 10 Update Connection Error FixWindows 10/11 Activation 504 Gateway Timeout FixFix Microsoft Store Invalid Configuration ErrorHow to Fix Set-ExecutionPolicy Access Denied in PowerShell