avast! 4 Home Edition is a free complete ICSA certified antivirus software for home noncommercial use. avast! obtained VB100% awards in 2002/4 Virus Bulletin comparative reviews under Windows.

avast! Home Edition includes the following components:
* On Demand Scanner - with Skinnable Simple Interface - just select what do you want to scan in which way and press the Play button.
* On Access Scanner - resident scanning of all files being opened, read and written and behavior blocker monitoring dangerous actions of viruses.
* E-mail scanner easily integrates with most mail clients and it checks both incoming and outgoing mails, it provides heuristic analysis of mail content to protect against new Worms.
* Network Shield - scans traffic for malicious content - lightweight Firewall.
* Resident protection for IM programs (e.g. MSN Messenger, ICQ) and P2P programs (e.g. Kazaa, DirectConnect).
* Boot Time Scanner - scans disks in the same way and in the same time as Windows CHKDSK does (on NT/2000/XP only).
* Explorer Scanner - right click on the object allows you to scan it.
* Screen Saver Scanner - scans PC during your coffee breaks.
* Virus Chest - safety isolated folder to store infected, suspicious and even some system files - to restore them.

http://www.avast.com/eng/download-avast-home.html
http://download904.avast.com/iavs4pro/setupeng.exe
http://rapidshare.com/files/103560700/avast_4.8.1169_PE.rar