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. 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.

Main features

ANTIVIRUS KERNEL

* Almost 100% detection
* Outstanding performance
* Reasonable memory requirements
* ICSA certified

USER INTERFACE

* Memory test during the program startup
* Very intuitive Simple User Interface
* Enhanced User Interface (MS Outlook style)
* Testing of whole disks or just selected folders
* Defining and running of antivirus tests
* Working with the scan results - actions for infected files
* Storing the scan results (history)
* Virus encyclopedia
* Log Viewer
* Various appearances - skin support
* Running from Explorer context menu
* Antivirus screen-saver
* Boot-time scan
* Command-line scanner

UPDATES

* The system of incremental updates guarantees low traffic
* Updates can be completely automatic
* Standard updates are provided 2 times a week
* PUSH updates immediately when published

RESIDENT PROTECTION

* Standard Shield protects the file system
* Generic SMTP/POP3/IMAP4 scanner
* Specific MS Outlook plugin
* Heuristic analysis in e-mail modules
* Script Blocker

REPAIRING

* Certain strong capabilities of direct repair (especially macroviruses)
* Repairing files using automatically generated Virus Recovery Database (VRDB)

OTHER

* Task Scheduler
* News delivery system: iNews
* 4 default preset tasks for typical scanning
* Possibility to set any test details
* Report files

PLATFORMS

* Windows 95
* Windows 98
* Windows Me
* Windows NT 4 (No Server)
* Windows 2000 (No Server)
* Windows XP (No Server)
* Windows Vista

Revision History - Version 4.7.1098

* fixed a vulnerability in TAR unpacker (special thanks to “Sowhat” of Nevis Labs)
* improvements in various unpackers (winexec, installer, CAB, NTFS Streams)
* boot-time scanner now functional even with USB keyboards
* speed improvements in the Outlook plugin (Windows XP+)
* Web Shield: compatibility improvements
* Internet Mail provider: improvements on Windows Vista
* CAB unpacker now working in boot-time scan
* RAR unpacker modified so that it is now more tolerant to certain corrupted archives (issue reported by Thierry Zoller of n.runs AG)
* Professional Edition: scheduled scan progress icon now accessible even in Windows Vista
* Windows 9x/ME: fix in the Mail Protection Wizard (related to Mozilla Thunderbird accounts)
* fixed a bug in the scan area selection dialog in Windows NT/2000
* optimizations in the updater
* removed mail heuristics false alarm (related to TNEF attachments)