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 Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...
How to Fix Windows Search Settings Not Opening
You click on the Search settings icon or try to open the search settings page, but nothing happen...
Fix Microsoft Teams Slow Startup by Disabling Hardware Acceleration
If Microsoft Teams takes a long time to load or feels sluggish when you first open it, hardware a...
How to Fix Outlook Token Expired Error
If you see an error saying your Outlook token has expired, it usually means the authentication to...
Ubuntu Command Prompt Not Working After Update: Fixes
After a system update, you might find that the Ubuntu command prompt (terminal) is not working—it...
Topic paths
Quick titles
Troubleshooting Outlook Permission ProblemsMicrosoft Store Backup Restore Not Working: How to FixHow to Fix Teams Error 0xca on Loading ScreenChrome Profile Error: Causes and SolutionsFix 'Windows Activation Script Not Working Command Not Found' ErrorHow to Resolve Teams Modern Auth ErrorWindows Terminal Update Troubleshooting ChecklistResolve Windows Activation Hanging in Safe Mode