来自捷克的Avast!，已有17年的历史，它在国外市场一直处于领先地位。Avast!的实时监控功能十分强大，它拥有七大防护模块：网络防火墙防护、标准的本地文件读取防护、网页防护、即时通讯软件防护、邮件收发防护、P2P软件防护。这么完善的防护系统，定能让你的系统练就一副金刚不坏之身！任意开启各项保护模块能够查杀流氓软件。 这个测试版本是最新专门为Windows Home Server(WHS)设计的。avast! WHS Edition被设计为一个保护WHS的反病毒软件，它拥有家庭网络控制功能，可以直接通过WHS终端进行控制。
Release candidate (WHS: 4.7.36, Home/Pro: 4.7.1083)
- fixed further communication issues with the WHS console
- improved the file system filter driver (removed certain stability issues)
- minor fixes in the WHS console
- updates in the AV engine
- added help files
- added language packs (~30 languages)
- This version should be feature complete
For WHS machine v4.7.36 官方下载：
http://files.avast.com/files/beta/whs/setup_av_whs.exe
- fixed further communication issues with the WHS console
- improved the file system filter driver (removed certain stability issues)
- minor fixes in the WHS console
- updates in the AV engine
- added help files
- added language packs (~30 languages)
- This version should be feature complete
For WHS machine v4.7.36 官方下载：
http://files.avast.com/files/beta/whs/setup_av_whs.exe