ALWIL Software offers specialized security solutions designed for personal use on individual machines - either at home or in your office. These products combine high performance with exceptional ease of use and outstanding design. avast! antivirus has been awarded the highest "Advanced+" rating following tests carried out by AV-Comparatives.

avast! 4 Home Edition is a full-featured antivirus package designed exclusively for non-commercial & home use only. Both of these conditions should be met!

avast! 4 Professional Edition 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, spyware and rootkits. It represents a best-in-class solution for any Windows-based workstation. This page demonstrates its most important features and provides links to further resources.

Features:

• Antivirus kernel
• Anti-spyware built-in
• Anti-rootkit built-in
• Strong self-protection
• Simple User Interface
• Enhanced User Interface
• Resident protection
• Script Blocker (Professional Edition only)
• P2P and IM Shields
• Network Shield
• Web Shield
• Automatic updates
• PUSH updates
• Virus Chest
• System integration
• Command-line scanner
• Integrated Virus Cleaner
• Support for 64-bit Windows / Vista
• Internationalization

Multilingual avast! is offered in over 30 language versions.

avast! 4 Professional antivirus, anti-spyware & anti-rootkit for Windows:
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 security.

Tried and Trusted - With over 60 million users of avast!, you can rest assured that you are using one of the most tried and trusted antivirus products in Windows security. avast! supports more MS Windows versions (from Windows 95 to Vista 64-bit) than any other anti-malware product.

Changes in Version 4.8.1335 (February 5, 2009):

* improvements in some unpackers (WinExec, Installer, ZIP)
* improved memory scan, especially under 64-bit operating systems
* fixed a possible deadlock condition when copying system files from some removable media
* fixed a possible problem with access rights when deleting infected files on reboot
* Web Shield: minor stability fixes
* Internet Mail: smtp.gmail.com and smtp.live.com now ignored on port 25 (as these are SSL only)
* improved healing of some infected files
* various fixes and improvements in the scanning engine
* Web Shield now scans pages compressed with the "deflate" algorithm
* performance optimization of Standard Shield under Windows Vista
* improvements in the automatic sample submission system
* improvements in the URL blocker