
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 ...

When you type a PowerShell command in your terminal and see command not found, it us...

You change a setting in Chrome—like the default search engine, startup page, or download location...

You try to unlock a BitLocker-encrypted drive on a different computer, and get an error about a v...

You try to install a Remote Desktop update on Windows and get error 0x80070424. The update fails,...

You open OneDrive and see a blank white or gray screen. The app doesn't load your files, and noth...