
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

You're browsing in Chrome on Windows 10 and suddenly see a 504 Gateway Timeout e...

You click an extension icon or try to install one, and Chrome stops you with a message like “Exte...

You open Windows Defender Security Center, but instead of the dashboard you get a spinning circle...

After a Windows 10 update, Outlook may freeze on the loading screen with no error message. This u...

When Chrome displays a profile error on Windows 10, you typically see a message that your profile...