
Windows Update Login Loop Troubleshooting Checklist
If you're stuck in a Windows update login loop — where you sign in, the screen goes black or logs...
Software troubleshooting desk

If you're stuck in a Windows update login loop — where you sign in, the screen goes black or logs...

You see a message that your OneDrive sync is paused or not working due to an invalid configuratio...

When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...

If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

You try to update Windows Defender or run a scan and get an error like "Permission denied"

You try to open Chrome and get a 404 error for your profile, or you see a message that the profil...