How to Fix 'File Locked by System' in Windows Defender
If you see an error like "File locked by system" when running a Windows Defender scan or trying t...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security High Memory Usage
If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...
Microsoft Store Error 0x80072efd DNS Fix Guide
If you see error 0x80072efd when opening Microsoft Store, it usually means the app can't reach it...
Windows Command Prompt Freezes When Typing: Fixes
You're typing a command and suddenly the cursor stops moving. No characters appear. The Command P...
Fixing Windows Terminal Error 0x80070002: File Not Found
When you see error code 0x80070002 in Windows Terminal, it usually means the sys...
Fix Windows Terminal Version Mismatch Errors
You open Windows Terminal and see an error about a version mismatch between the terminal app and ...
Topic paths
Quick titles
How to Fix a Chrome Extension That Is Not RespondingTroubleshoot Windows Defender Connectivity IssuesHow to Remove a Lock File Blocking Ubuntu apt updateTroubleshoot Windows Search Index HangingHow to Unlock Windows Update Files for CleanupFix 'File in Use' Error on WindowsMissing Task Scheduler Log File – TroubleshootingResolve FileZilla Timeout Error 10060