
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 open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...

If you are experiencing choppy video calls, slow message delivery, or frequent disconnects in Mic...

After changing your Microsoft account password, you may see a “token expired” or “sign-in require...

If OneDrive repeatedly shows a sync configuration timeout, it usually means the app can't connect...

When trying to activate BitLocker or recover a key, you may see error code 0x80072f8f