
Enable Windows Defender After Disabling Third-Party Antivirus
If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...

If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...

If Windows Search suddenly stops working and you see a 'connection refused' error when trying to ...

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

If you open Windows Security and see a message that the threat service has stopped and the startu...

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

After swapping out a motherboard or other major hardware, you might see an error that Windows act...