
Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...
Software troubleshooting desk

You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

If your OneDrive sync is stuck and you see a 404 Not Found error, it usually means the sync engin...

When you try to open Command Prompt on Windows 10 and see error code 0xc0000142, it usually means...

You open the Microsoft Store, try to download or update an app, and get error code 0x80073cf9. Th...

When you see 'Token expired' in the Microsoft Store, it usually means your authentication token h...

When Windows Update fails with a "token expired" error, it often indicates a problem with the com...