Fix Windows Security Service Failed to Start Error 0x80070422
You see the error "Windows Security service failed to start" with code 0x80070422. This usually m...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Windows Defender Failed to Start Due to Group Policy' Error
You may see an error saying 'Windows Defender failed to start due to group policy' when trying to...
Fix Chrome Profile 404 Not Found on Mac
If you see a 404 Not Found error when trying to open your Chrome profile on Mac,...
Chrome Profile Module Not Found: Troubleshooting Checklist
You launch Chrome and instead of your usual profile, you see an error saying the profile module c...
Why Chrome Says Extension Permission Denied: Fixes
You click an extension icon or try to install one, and Chrome stops you with a message like “Exte...
Enable Windows Search Service: Configuration Guide
If Windows Search stops working, files don't appear in search results, or the search box shows no...
Topic paths
Quick titles
Windows Update Permission Error FixFix Windows Terminal DNS Error 0x80072746Windows 10 Chrome Performance Troubleshooting GuideFix Microsoft Teams Permission Denied ErrorWindows Access Denied Error FixResolve Windows Search Throttling Error in Windows 11Troubleshooting Windows Security 504 Error via ProxyFix Event ID 4625 Failed Logon in Windows Security Log