Windows Defender gets better with the Anniversary Update, even when you're using another antivirus.

Make Windows Defender in Windows 11/10 update its definitions even if Windows Update is not set to Install updates automatically.

Microsoft has just confirmed that a recent update -- specifically KB 3004394 -- is causing a range of problems and recommends manually uninstalling the patch immediately.

Troubleshoot definition update issues for Microsoft Defender (Windows Security) in Windows 11/10. Useful if it does not update automatically.

Customers in the process of moving to Windows 10 will soon be able to keep an eye on their Windows 7 and 8.1 machines with Windows Defender ATP.

Microsoft's stock Windows Defender app protects your Windows 8 PC against all sorts of nasties, but OEMs can disable the software to install an antivirus trial. Here's how to turn it back on.

Do people still use Windows 7? Absolutely. And if they cling to it past January 14 of this coming year, they’ll have to pay a fee to Microsoft to continue to receive security updates. Most ...

Microsoft has released a new update for Windows Defender that has broken both the Quick and Full antivirus scans. When users use these scan options, Windows Defender will only scan approximately ...