When you launch Windows Security on Windows 11, you may see a message You’re using other antivirus providers. This prevents you from activating the Real-time protection of Windows Defender against ...

If you use a Windows laptop in 2025, chances are you store important files on it: work documents, school projects, bank details, or personal photos. Unfortunately, the more connected we are, the more ...

Microsoft Defender had one of the rare moments of not being at the best in AV-TEST's previous result. The product suffered a heavy defeat and came in last place. This is the opposite of what typically ...

Toggle the Real-time protection switch off. You may receive a User Account Control (UAC) prompt asking if you want to allow the change to occur. Select Yes. When you're ready to turn system protection ...

Windows 10 is no longer going to receive free security updates in the future, but that doesn't mean you have to update to ...

As malware, ransomware, phishing, and AI‑enabled scams continue to grow in frequency and sophistication worldwide, the demand for layered, intelligent Windows antivirus has never been more critical.

Updating our security testbeds is a massive undertaking. We explain what goes into the decision of making the move to Windows 11 for our hands-on testing of antivirus apps. When the IBM PC was new, I ...

Ever since Windows 11 came out, Microsoft has made a big fuss over why its new operating system is the most secure Windows OS ever. The company constantly nudges users who are on older Windows ...

One of the telltale signs that your PC has become ill with a virus is an unexpected slowdown in performance. Various forms of malware can sometimes feast on your system's resources, whether it's a ...

In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...