There's currently a major bug in Windows Defender, the free antivirus software that ships with Windows 10. Running a Quick or Full scan will fail after a few seconds and only go through a handful of ...

Microsoft has rolled out a fix for a recent update that has been causing the Windows Defender built-in antivirus software to crash on Windows 10 PCs when running a full system scan. With around half a ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

Microsoft this week announced that its Microsoft Defender Vulnerability Management solution can now scan Windows devices that are lacking certain agent support. This capability, called "authenticated ...

The Protection History page shows detections by Windows Defender and provides detailed and easier-to-understand information about threats and available actions. It now includes Controlled Folder ...

My dell laptop which I believe is compromised, I have done a lot of full scans and it found over 10,000+ of threats last week. Thing is I then did a few other full scans and it didn't find anything.

Available as a public beta, a new version of Windows Defender is designed to run off a CD or USB stick to scan your PC for malware before Windows loads. Lance Whitney is a freelance technology writer ...

The system that defends your computer may be throttling your downloads.