Ad-Aware Free Internet Security

As with some of the other top antivirus software, Lavasoft offers a cut-down version of their professional package. But despite its slim down version, it has very good capabilities as antivirus and detecting in addition to removing spyware while keeping a low profile. The GUI is very simple using only three main icons and installation is very quick. The program includes basic real-time protection abilities. As with all free products, technical support is limited.