
Checklist for Troubleshooting Windows Defender Configuration Issues
Windows Defender (now Microsoft Defender Antivirus) sometimes fails to apply settings or behaves ...

Windows Defender (now Microsoft Defender Antivirus) sometimes fails to apply settings or behaves ...

You open Windows Security and see an error that the service isn't running. Or you get a notificat...

You restart your PC to finish installing a Windows security update, but after the reboot, the upd...

You see error 0x800704ec when opening Windows Defender or Windows Security. The message says auth...

You might see an error like 'Windows Defender dependency conflict' or find that Defender won't st...

After a Windows update, you might notice that Microsoft Store consumes an unusual amount of CPU, ...