If Windows Defender real-time protection keeps turning on in Windows 11, turn off Tamper Protection, add the app or folder to ...

The system that defends your computer may be throttling your downloads.

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.

Though many Windows 10 users opt for third-party antivirus protection, those who use Microsoft Defender may not be getting all of the protection they could. Here’s how to check your settings and what ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

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