Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Tired of Defender slowing things down? Here’s how to fix Microsoft Defender high CPU usage issues while keeping your PC safe and responsive.

Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

Antivirus programs are comprehensive packages that not only detect and block virus types, but often also include functions to protect against phishing and ransomware as well as other features such as ...

Microsoft says the KB5007651 Microsoft Defender Antivirus update triggers Windows Security warnings on Windows 11 systems saying that Local Security Authority (LSA) Protection is off. LSA Protection ...

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

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Microsoft had recently released new Defender anti-malware update package for Windows OS installation images, ie, for Windows Imaging Format (WIM) and VHD (Virtual Hard Disk) formats. The new ...

Microsoft has confirmed that support for Windows 10 will end on October 14, 2025. After this date, users will not receive any updates, features, or security patches, leaving their devices at risk.

Why it matters: Microsoft has released a crucial bug-fixing update to its Windows Defender antimalware application. Its arrival means that some unlucky Firefox users should now get a much smoother and ...

The problem arose when Firefox was running, leading Windows Defender’s Antimalware Service Executable (Msmpeng.exe) to act up, causing a significant increase in CPU usage. Users reported that their ...