Microsoft's free antivirus comes built-in to Windows 8 as Windows Defender, but it doesn't have an option to scan individual files by right-clicking on them. Our friends at the How-To Geek show us how ...

Update: This issue is now resolved in "Security Intelligence Update for Windows Defender Antivirus - KB2267602 (Version 1.301.1684.0)" definitions. Microsoft has released a new update for Windows ...

If when you attempt to run a Microsoft Defender scan on your Windows 11 or Windows 10 device, but the AV scan fails and you receive the error code 0x8007139f, then ...

Famous Last Words: "This never happened before." In addition to letting Windows Defender do whatever it wants automatically, I've done Full scans whenever I remember (aspiring to weekly), with no ...

Windows Defender does a decent job of blocking malware but lacks many of the protection features found in suites like Trend Micro Internet Security.

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 ...