If you have noticed warnings popping up on your computer that “Microsoft Defender Antivirus is turned off”, you should know ...

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows ...

Windows Defender, the Redmond, Wash., developer's free-of-charge anti-spyware program for Windows XP and Windows Server 2003, went final in late October. However, the last beta -- dubbed Beta 2 -- ...

Microsoft confirmed a bug in recent Defender updates that's triggering incorrect "antivirus disabled" warnings across Windows ...