avast! 4 Home Edition is a free antivirus software for home noncommercial use. It scans for viruses, worms and Trojans. avast! obtained multiple VB100% award in Virus Bulletin reviews. avast! scans: On Demand - with Skinnable Simple Interface, during Boot Time and On Access. It protects E-mail, ICQ, mIRC, Kazaa etc. It maintains Virus Chest. True incremental updates based on iAVS technology update virus definition at least twice a week.

avast! 4 Professional Edition is a complete ICSA certified antivirus software for your company. It obtained VB100% awards in 2002/3 Virus Bulletin comparative reviews. avast! scans for viruses, worms and Trojans: On Demand - with two User Interfaces, On Access, E-mail, during Boot Time, in File Explorer and Screen Saver. It maintains Virus Chest. True incremental updates based on iAVS technology updates twice a week virus definition file.

avast! 4 Home Edition is a free complete ICSA certified antivirus package for home noncommercial use. It obtained twice VB100% award in 2002 Virus Bulletin comparative reviews. avast! scans: On Demand - with Skinnable Simple Interface, On Access , E-mail, during Boot Time, in File Explorer and Screen Saver. It maintains Virus Chest. True incremental updates are based on iAVS technology and can update virus definition file and program itself.

avast! 4 Professional Edition is a complete ICSA certified antivirus package for small office, home office. It obtained twice VB100% award in 2002 Virus Bulletin comparative reviews. avast! scans: On Demand - with two User Interfaces, On Access, E-mail, during Boot Time, in File Explorer and Screen Saver. It maintains Virus Chest. True incremental updates are based on iAVS technology and update virus definition file and program itself.