Learn how to update Windows Defender in Windows 11 and Windows 10 quickly and easily! In this step-by-step tutorial, I'll show you how to manually update Microsoft Defender Antivirus, install the ...

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws.

The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.

Microsoft has released a new Microsoft Defender update package for Windows installation images, refreshing the security protection included with Windows setup media following the August 2026 Patch ...

Microsoft Defender has been aborting Quick, Full, and Offline virus scans after a cluster of Security Intelligence updates reached Windows PCs on August 18, 2026, leaving home users and Defender for ...

Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates.

Malicious actors churn out new malware constantly, and administrators can't let the protections on Windows Server systems stagnate. Antivirus software loses its effectiveness unless the administrator ...

Microsoft will distribute Defender for Endpoint EDR updates through Microsoft Update, enabling EDR security improvements to be released independently of monthly Windows operating system updates. The ...

Microsoft says some users may have trouble turning on Smart App Control after installing this month's KB5127648 Windows 11 ...

Microsoft’s October 2026 Patch Tuesday fixes 1,413 Windows vulnerabilities, including an actively exploited security flaw, ...