Fix Windows Defender Real-Time Protection Authentication Failed
When you try to turn on Windows Defender real-time protection, you might see an error saying some...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Service Disabled by Group Policy
If you see "Windows Security service is disabled by group policy" or find that Windows Security i...
Fix Windows Search Path Not Found After Update
After a Windows update, you might see an error that the search path is not found, or search simpl...
How to Fix Windows Security DNS Error 0x800704cf
You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...
Fix "7zip Cannot Open File as Archive" Permission Denied Error
You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...
Fix Chrome Invalid Profile Configuration on Mac
You open Chrome on your Mac and see an error: Your profile could not be opened correctly....
Topic paths
Quick titles
Chrome Profile Configuration Checklist for TroubleshootingStop SearchIndexer.exe from Using 100% CPUTroubleshooting RD Gateway Timeout Post-UpdateWindows 10 BitLocker Dependency Conflict TroubleshootingHow to Fix Windows Search Auth Failure After Changing PasswordTeams 'Module Not Found' Mac TroubleshootingBitLocker Connection Refused Error FixFix Microsoft Store Not Launching at Startup