Enable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Not Working After System Restore
After a system restore, Windows Search may stop returning results or fail to open at all. This us...
Fix Windows Defender Update Failed Errors
When Windows Defender fails to update its virus definitions, you may see error codes like 0x80240...
Microsoft Store 502 Bad Gateway: Troubleshooting Guide
You open Microsoft Store, try to download an app, and see a 502 Bad Gateway erro...
Fix Chrome Profile Service Unavailable on Windows 10
When you see 'Profile Service Unavailable' in Chrome on Windows 10, Chrome can't load your profil...
How to Fix Remote Desktop Error 0x4 Caused by Cache
Remote Desktop error 0x4 often appears when you try to connect to a remote PC. The error message ...
Topic paths
Quick titles
Chrome Profile Invalid Configuration FixWindows Update Running Slow? Try These FixesFix PostgreSQL Connection Refused: Step-by-StepTroubleshooting Windows Security Authentication ErrorFileZilla Connection Timed Out: Troubleshooting GuideWindows Server 2019 SSL Certificate SetupEdge Update Network Error FixBitLocker Network Unlock Error 0x80070035 Fix