Can't click Windows Security scan? 3 steps to restore it after installing other software

When you opened Windows Security, you found that Quick Scan and Full Scan were no longer available. Looking at that screen, ...
Windows Report

Microsoft Updates Windows Defender Security for Windows 11 26H2 Installation Images

Microsoft updates Windows Defender definitions for Windows 11 26H2 installation images, improving protection against malware ...
PC World

Why are your Windows Defender antivirus scans slow? Here’s how to find out

If the scan of your hard drive with Microsoft Defender seems to take forever, it's worth finding out why. Here are the basics: Microsoft Defender is the virus protection integrated into Windows by ...
gizmodo

Best Antivirus for Windows 11 PCs in 2026 Ranked

Best Antivirus Software Best Antivirus for Windows 11 PCs in 2026 Ranked Every Windows 11 PC comes with an antivirus already enabled. In fact, Microsoft Defender now scores well in independent lab ...
Microsoft Learn

New features in Microsoft Defender for Endpoint

This article describes new features available in Microsoft Defender for Endpoint, including both Windows and cross-platform updates.