hi friend, this time I will give you a software review I get from some reputable sites, and also that I get from the company site, perhaps a review that I made was not the original review, but I hope can be useful for you guys, thank you, read and download this

Developer	ALWIL Software
Product Homepage	avast! Professional Edition
License	Free to try (Shareware); $39.99 to buy
Filename / Size	setup_av_pro.exe / 71.9MB
OS Support	Windows All

avast! antivirus Professional Edition is a complete ICSA certified antivirus software for your company.
avast! scans for viruses, worms and Trojans. avast! obtained multiple VB100% awards in 2002/5 Virus Bulletin comparative reviews.

avast! Professional Edition includes the following components:

On Demand Scanner - with two user interfaces:
Skinnable Simple Interface - just select what do you want to scan in which way and press the Play button.
Enhanced User Interface - Outlook like UI allows user to set any feature of avast!, prepare and run tasks, store and check task's results.

On Access Scanner - special providers to protect:

The most of available E-mail clients,
Instant Messaging - ICQ, Miranda etc.,
Network traffic - Intrusion Setection - lightweight firewall,
P2P protection for Kazza, BitTorrent etc.,
Web shield - monitors and filter all HTTPtraffic,
Script Blocker - checks all scripts running under Windows Scripting Host and Web browsers,
NNTP Scanner - scans all Usenet Newsgroup traffic
and of course all operations with files on PC.

Boot Time Scanner - scans disks in the same way and in the same time as Windows CHKDSK does (on NT/2000/XP only).
avast! can scan inside the huge number of different packers including ZIP, ARJ, RAR etc. even the Outlook Express .dbx files.
Virus Chest - safety isolated folder to store infected, suspicious and even some system files - to restore them.
avast! supports Windows XP SP2 Security Center.
True incremental update files of size under 100 KB are available at least twice a week and within couple of hours in the case of emergency of new virus. avast! automatically checks for new updates - downloads, installs and loads them without restart or logoff.
avast! Pro is available in English, French, German, Italian, Japaneese, Polish, Portuguese, Russian, Spanish and other languages - check http://www.avast.com/eng/down_pro.html to download avast! in your language.
* solved incompatibility of the avast self protection module and the System Restore feature (Windows XP/Vista)
* solved keyboard/mouse lags in some games (e.g. World of Warcraft)
* "Quick" scan now quick again (in the previous version, it was usually slower than "Normal" scan)
* fixed slow resuming from hibernation (on certain systems)
* improved stability of aswSP.sys kernel driver
* fixed deleting of infected files in some nested archives
* shell extension: under Windows Vista, shortcut targets are now correctly scanned
* boot-time scanner now correctly displays warning messages about corrupted archives
* improved scanning speed in the Simple user interface
* improved handling of scan exceptions
* self protection: improved detection of changes in the INI file
* start of the "avast! Mail Scanner" service should now be fast again
* fixed a problem with avast being installed in a directory with name containing non-Latin characters
* fixed entering of the license key (didn't work in certain configurations)
* improved detection/healing of MBR rootkits
* avast can now correctly handle the case when the INI file is missing/corrupted
* the "Disable startup rootkit scan" option on the Troubleshooting page now effective
* P2P Shield: added support for Azureus Vuze and Qtrax
* taskbar messages from Internet Mail should now correctly handle most common character encodings
* fixed problems with the boot-time scanner on FAT[32] partitions
* small improvements in some unpackers (WinExec, RAR, CHM)
* fixed the message announcing the license key going to expire soon
* on 64-bit Windows, avast now detects both 32-bit and 64-bit version of the WHS connector
* the avast Home / Pro Edition comparison window is now correctly displayed even under Windows 9x