Description

 avast! Professional Edition: antivirus & anti-spyware software for Windows
 
Complete virus protection for your desktop

avast! antivirus software represents complete virus protection, offering full desktop security including a resident shield with anti-spyware technology.

Features overview 
Anti-spyware built-in Automatic updates 
Anti-rootkit built-in PUSH updates 
Strong self-protection Virus Chest 
Antivirus kernel System integration 
Simple User Interface Command-line scanner 
Enhanced User Interface Integrated Virus Cleaner 
Resident protection Support for 64-bit Windows 
Script blocker Internationalization 
P2P and IM Shields Network Shield 
Web Shield   

All-inclusive, comprehensive protection: avast! 4 Professional Edition includes anti-spyware protection, certified by the West Coast Labs Checkmark process, to protect against the latest spyware threats and anti-rootkit detection based on the best-in class GMER technology, built into the scan engine. 

Simple to use and fully automated: Automatic incremental updates provide real-time protection of your system, including web surfing. We've made avast! antivirus as simple to use as possible, while allowing full control of your computer's security.