Think Windows 11's antivirus is broken? Thankfully it isn't, although the app is suffering from a pretty frustrating bug.

Per Windows Latest, “in our tests, we found that the Windows Security app, which manages Microsoft Defender Antivirus, ...

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

If Windows 11 is sending alerts that you need to turn on virus protection and your PC is unprotected, don't worry.

I've been testing antivirus protection since the 1980s, and I’ve consistently recommended securing your devices with a strong antivirus—yes, even a free one can do the job. In a recent post, Microsoft ...

If you get this alert on your PC, first, double-check to ensure that your Microsoft Defender Antivirus isn't actually turned ...

The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical ...

Microsoft says misleading Windows Security pop-ups claiming Defender Antivirus is turned off are caused by a glitch, with a ...

Microsoft Defender Antivirus, formerly known as Windows Defender, is a built-in antivirus and antimalware service that comes with Windows 10, Windows 11 and some versions of Windows Server. In its ...

The 'ShieldBreak' flaw can let an attacker use Windows Defender to escalate their privileges on the OS. Microsoft previously threatened legal action against the researcher, Nightmare Eclipse. Official ...

Earlier this year, Microsoft quietly deleted a post that argued Windows 11's built-in Microsoft Defender Antivirus was good enough for most people. But independent evidence says they were right. Last ...

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...