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 Windows Security Invalid Configuration Error Code
You open Windows Security and see an error message about an invalid configuration, often accompan...
Microsoft Store Log File Troubleshooting Guide
When Microsoft Store apps fail to install, update, or launch, the built-in error messages often l...
Fix Windows Activation File Locked by Antivirus
If you see an error like “Windows activation file locked by antivirus” or activation repeatedly f...
Fix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Windows Search Network Error 'Permission Denied'
When you search for files on a network drive in Windows, you might see a "Permission Denied" erro...
Topic paths
Quick titles
Fix OneDrive Sync Error 0x8004de40 – Authentication FailureFix Microsoft Teams Freezing and Crashing: Practical StepsMicrosoft Teams Camera Not Working? Try These FixesHow to Fix BitLocker Error 0x80072f8f During ActivationHow to Fix BitLocker High Memory UsageBitLocker Recovery Key Path MissingRestart Task Scheduler Service in WindowsWindows Update Connection Timeout After Update? Try These Fixes