Top 5 Free Antivirus Software of 2011

With high detection and scanning capabilities, along with friendly interface, Avast Free Antivirus has been at the top of this ranking; Avira AntiVir Personal is second but also able to effectively detect and remove malware .

Avast Free Antivirus 5

Avast Free Antivirus is a comprehensive set of antivirus products: it is a solid wall in preventing malware; With a user-friendly interface, it allows users to scan files quickly.

Avira AntiVir Personal Free Antivirus 10

Avira AntiVir Personal has excellent ability to block and detect malware, but the interface is not very friendly.

Microsoft Security Essentials 1.0

Microsoft Security Essentials is an easy-to-use component, but it loses these products to the ability to detect malware.

Panda Cloud Antivirus

Panda Cloud Antivirus is easy to use, but its scanning speed is slower than usual. Look for an update of Antivirus 1.3 Cloud to improve your ability to prevent attacks.

Comodo Internet Security 5.0 Premium

Comodo Internet Security has done a good job of blocking malware with the firewall component, but it is not a complete solution for detecting malicious components on the computer.