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 ...

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 ...

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 ...