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 listHow to Fix Windows Search Permission Denied Registry Error
When Windows Search fails with a 'permission denied' error in the registry, the search indexer ca...
Fix OneDrive 'Permission Denied' When Accessing Folders
You try to open or sync a folder in OneDrive and get a "Permission Denied" or "Access Denied" mes...
Fix 'Windows Security Path Not Found' Error in Windows 10
You open Windows Security and see a message like 'Path not found' or 'The security path is not fo...
Fix Windows Defender Version Mismatch Permission Denied Error
You might see a 'version mismatch' or 'permission denied' error when trying to update or run Wind...
How to Find Which Process Is Locking a File in Windows
You try to delete, rename, or move a file in Windows, and you get an error like "The action can't...
Topic paths
Quick titles
schtasks.exe Not Found: Troubleshooting GuideFix PowerShell Set-ExecutionPolicy Not WorkingPowerShell Memory Leak TroubleshootingFix Permission Denied in Microsoft StoreHow to Fix Nginx 502 Bad Gateway ErrorHow to Fix Windows Terminal Install Error 0x80070005Windows Update Caused Port Conflict – TroubleshootingResolve Task Scheduler Not Running Due to Permissions