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.
