avast! v4.8.1335_中文專業最新版

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，啟髮式強大。
（2）較低的內存佔用和直觀，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，修復檔案後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）良好有效的偵測並清除病毒，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。

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