Protect your system and valuable data against computer viruses.

avast! 4 is a collection of award winning, high-end technologies that work in perfect synergy, having one common goal: to protect your system and valuable data against computer viruses. avast! represents a best-in-class solution for any Windows-based computer

iAVS is a fast, small, incremental and fully automated update via the Internet. Updates are released at least twice a week.

Key Features:
* Improved Antivirus and anti-spyware engine
* New avast! Intelligent Scanner
* New Silent/Gaming Mode
* New Behavior Shield
* Real time anti-rootkit protection
* Smart virus updates
* avast! Community IQ
* Behavioral Honeypots
* Green computing
* avast! iTrack
* File System / Mail Shield
* Web Shield
* IM / P2P Shield
* Network Shield