How to Unlock a File Locked by Windows Security
You try to open, move, or delete a file, but Windows shows a message like "This file is blocked b...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Real-Time Protection Rate Limit Error Fix
You may see a notification that Windows Defender real-time protection has a rate limit error, oft...
Fix 'Git Remote Repository Not Found' Error
You try to pull, push, or clone, and Git says: remote: repository not found. This us...
Windows Terminal Service Unavailable Checklist
When you see 'Terminal Service is unavailable' or 'Remote Desktop Service is currently busy' on a...
Fix Chrome Not Opening on Startup in Windows 11
If Chrome used to open automatically when you log into Windows 11 but now it doesn't, or if you'v...
Fix Windows Defender Dependency Conflict in Windows 10
You may see an error like "Windows Defender can't start because a dependency service is not runni...
Topic paths
Quick titles
Troubleshoot Outlook Connection Refused from Security SoftwareReinstall Windows Activation Error – Connection TimeoutFix Windows Security Error 0x80070643 on Ubuntu Dual BootWindows Defender Default Settings Restore GuideWindows Terminal Version Mismatch FixGit Pull Merge Conflict Fix GuideError 0x80070020: File Locked by Windows Security FixLocate Activation Log in Windows 10 for Troubleshooting