How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Terminal 'File Locked by System' Error
When you try to open or edit a file in Windows Terminal and see "The file is locked by the system...
How to Fix Windows Defender Version Mismatch Error
You may see a Windows Defender version mismatch error if the security intelligence definitions on...
Windows Update Stuck at 100% Loading but Not Installing: How to Fix
You've waited for the update to reach 100%, but it just sits there—not installing, not erroring. ...
Chrome Profile Connection Refused: Fix Checklist
If Chrome shows a 'connection refused' error only when using a specific profile, the issue is oft...
Fix Windows Command Prompt Blank Cursor Not Showing
You open Command Prompt, type a command, but see no blinking cursor or only a blank rectangle. Th...
Issue queue
SitemapTask Scheduler File Locked: Causes and Fixes
Troubleshoot Remote Desktop Auto Start Service Failure
How to Get Store Apps Updating Again After Windows Update
Remote Desktop Error 0x4: Cache Cleanup Guide
Windows Activation Stuck at Sign-In: Quick Fixes
Resolve Locked Activation File Error on Windows Upgrade
Resolve OneDrive 502 Error After Update
Troubleshooting SSH Timeout Errors
Resolve BitLocker Blank Screen Prompt After Update
How to Fix pip install --user Permission Denied Error
How to Resolve Defender Command Not Recognized Error
How to Fix Windows Update High Memory Usage
Troubleshoot Remote Desktop Auto Start Service Failure
How to Get Store Apps Updating Again After Windows Update
Remote Desktop Error 0x4: Cache Cleanup Guide
Windows Activation Stuck at Sign-In: Quick Fixes
Resolve Locked Activation File Error on Windows Upgrade
Resolve OneDrive 502 Error After Update
Troubleshooting SSH Timeout Errors
Resolve BitLocker Blank Screen Prompt After Update
How to Fix pip install --user Permission Denied Error
How to Resolve Defender Command Not Recognized Error
How to Fix Windows Update High Memory Usage