avast! 4 Professional Edition is a collection of high-end technologies that work in perfect synergy, having one common goal: to give you the top grade protection against computer viruses. It represents an ideal solution for any Windows-based workstation.
avast! 4 Professional Edition is a complete ICSA certified antivirus software for your company. It obtained VB100% awards in 2002/4 Virus Bulletin comparative reviews.
avast! scans for viruses, worms and Trojans: On Demand - with two User Interfaces, On Access, E-mail, during Boot Time, in File Explorer and Screen Saver. It maintains Virus Chest. Protects E-mail, HTTP, NNTP, ICQ, mIRC, Kazaa etc. True incremental updates based on iAVS technology updates twice a week virus definition file.
avast! Home/Professional now fully supports the 64-bit Windows and Vista platforms.
來自捷克的Avast!，已有17年的歷史，它在國外市場一直處于領先地位。Avast!的實時監控功能十分強大，它擁有七大防護模塊：網絡防火墻防護、標準的本地文件讀取防護、網頁防護、即時通訊軟件防護、郵件收發防護、P2P軟件防護。這么完善的防護系統，定能讓你的系統練就一副金剛不壞之身。任意開啟各項保護模塊能夠查殺流氓軟件。
主要特點：
（1）高偵測的反病毒表現，多次獲得過ICSA和Virus Bulletin 100%認證，啟發式強大。
（2）較低的內存占用和直觀，簡潔的使用界面。
（3）支持SKIN更換，完善的程序內存檢測。
（4）對SMTP/POP3/IMAP郵件收發監控的全面保護。
（5）支持MS OUTLOOK外掛，智能型郵件帳號分析。
（6）支持宏病毒文檔修復，修復檔案后自動產生病毒還原數據庫（VRDB功能）。
（7）支持P2P共享下載軟件和即時通訊病毒檢測，保護全面。
（8）良好有效的偵測并清除病毒，如蟲，廣告和木馬程序。
（9）病毒庫更新速度快，對新型病毒和木馬有迅捷的反應。
功能特性：
＊反病毒內核
＊自動升級
＊簡單的使用界面
＊病毒隔離區
＊實時監控
＊系統結合
＊P2P和聊天軟件監控保護
＊病毒清除
＊網絡防護
＊64位系統支持
＊網頁防護
＊多國語言支持
＊增強型用戶界面
＊惡意腳本屏蔽
＊DOS下掃描
＊擴展病毒庫升級
＊移除病毒備份
Changes in Version 4.7.1029; July 28, 2007:
* infrastructure changes in the scanning engine bringing higher detection rates
* fixed a bug that was sometimes causing crash of the avast screensaver during its initialization
* improved handling of corrupted files in the SIS and CAB unpackers
* Standard Shield: fixed a minor memory leak in the Vista (and Vista only) driver
* Standard Shield: improved the "move to chest" command in Vista
* Standard Shield: the default scan exceptions are no valid for read/write access only (no execute)
* added more "installer" unpackers
* added more Win32 executable unpackers (Enigma etc.)
* for NTLM proxy authorization (via ISA Server) it is now possible to specify the account under which the avast service will perform the update
* added Arabic language pack
avast! 4.7.1029(English)
Download : avast! 4.7.1029 Professional Edition(shareware)
Download : avast! 4.7.1029 Home Edition(Freeware)
avast! 4.7.1029(簡體中文版)
Download: avast! 4 Home Edition (家庭版,免費)
Download: avast! 4 Professional Edition (專業版,共享)