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

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

You try to open Windows Security or change a setting, and you get an "Access Denied" message. Thi...

If you're seeing a '404 Not Found' error when launching Windows Terminal, it usually means the ap...

You try to activate Windows 10 but see 'Access Denied' or 'Permission Denied.' This usually means...

Windows Terminal can sometimes misbehave: profiles fail to load, the window won't open, or settin...

After a recent Windows or Microsoft Store update, you might see a rate limit error when trying to...