Fix 'File Locked by Unknown Process' in Command Prompt
You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Invalid Configuration Permission Denied Error
When you run a PowerShell script or command and see Invalid configuration permission denied...
Fix Windows Defender Real-Time Protection Crashing on Windows 11
If Windows Defender’s real-time protection keeps turning off or throws an error on Windows 11, yo...
Fix Windows Backup Error 0x80070001 After Update
After a Windows update, you might see backup error 0x80070001. This often means "Incorrect functi...
Fix Windows Terminal Proxy Authentication Failed
When Windows Terminal fails to connect through a corporate or personal proxy, you may see errors ...
Fix Windows Defender Stuck Loading After Update
After a Windows update, you might open Windows Defender Security Center and see a spinning circle...
Topic paths
Quick titles
Windows Update Auto Start Not Working After Update FixHow to Resolve Port Already Allocated in Windows SecurityFix Windows Search Permission Denied Registry ErrorWindows 10 Firefox Profile Missing – TroubleshootingFix Docker Engine Not Running in Docker DesktopCommand Prompt Startup Error Troubleshooting GuideNginx config test fails with unknown directive server_nameFix Microsoft Teams Not Loading on Windows 10