How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Blank Screen in Windows 10
If you open Windows Defender Security Center in Windows 10 and see nothing but a blank white or g...
Fix Windows Defender Path Not Found After Update
After a Windows update, you might see an error like 'Path not found' when trying to open Windows ...
Fix Windows Terminal JSON Error After Update
After a Windows Terminal update, you might see an error like "Error parsing JSON" or a blank sett...
Fix Windows Security DNS Error Blocking Internet Access
If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...
Fix Windows Terminal Profile Not Saving Ubuntu Settings
You set up a custom profile for Ubuntu in Windows Terminal, change the icon, font, or starting di...
Topic paths
Quick titles
Resolve OneDrive Permission Denied on ResetSlow Windows Update? Practical Troubleshooting GuideResolve Chrome Sync Errors from Version DifferencesOneDrive Login Loop Error Code Fix GuideHow to Restore Deleted OneDrive Files from Recycle BinEvent ID 4672 Explained for AuditorsCommand Prompt Proxy Sync TroubleshootingMicrosoft Teams Backup Configuration Guide