Microsoft Defender engine 1.1.26060.3008 patches a critical SYSTEM privilege flaw but may expose Windows 11 to a new disk ...

Some PC users have reported cases whereby the Security Intelligence Update for Microsoft Defender Antivirus fails to work on their Windows 11 or Windows 10 computer and in Windows Security app. Under ...

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) ...

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

Do you still need third-party antivirus on your Windows PC?

Using a Windows 11 PC is a great experience, but what about protecting it from cybercriminals with bad intentions? Fortunately, your Windows 11 PC comes with Windows Security built in, and it does a ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ransomware protection, VPN limits, ...

The feud between "NightmareEclipse" and Microsoft continues to hold unpleasant surprises for the Windows ecosystem. The ...

A: Hi Denise. If your city and state are wrong, I apologize. I had to take a wild guess at them because you put your email address in that field. There was a time when that might have caused your ...

A: Windows Defender Antivirus (known simply as Windows Defender in the past) is a fully capable means of antivirus protection for Windows PCs. Is it a replacement for other free versions of threat ...

Best Antivirus Best Antivirus for Windows 11: Fast, Lightweight & Secure Windows 11 users face growing cyber threats, from ransomware and phishing to occasional zero-day exploits. Choosing the right ...

If you have installed a third-party antivirus tool and it is buggy or infected, it can interfere with Microsoft Defender Antivirus settings, including Tamper Protection. That could be the reason that ...