CAD2006的安装，如下错误---[求助]

各位使用CAD的大侠们：
我刚才安装CAD2006时刚进行到第一步，点安装图标后也就10秒，必须的支持文件都没安装完，就出现提示。说已终止cad2006的安装，详情请查看一个文件，我把这个文件复制如下，大伙帮我看看问题出在哪，是不是和操作系统有关？我先谢谢大家。
3/8/2007 22:42:16] === Installation started on D3E7F8F455444CA by new ===
[3/8/2007 22:42:25] [Info] Windows Installer upgrade is not required
[3/8/2007 22:42:25]   System Version = 3.1.4000.2435
[3/8/2007 22:42:25] Installation skipped: MSI Runtime 3.0
[3/8/2007 22:42:25] [Info] .NET Framework Runtime upgrade is not required
[3/8/2007 22:42:25]   System Version = 2.0.50727.42
[3/8/2007 22:42:25] Installation skipped: .NET Framework Runtime 1.1
[3/8/2007 22:42:25] Installation started: .NET Framework Runtime 1.1 Language Pack
[3/8/2007 22:42:25]   Command = "supportdotnetfxchslangpack.exe" /q:a /c:"inst /qb"
[3/8/2007 22:42:28] [Error: 1603] 安装时发生严重错误
[3/8/2007 22:42:28] Installation failed: .NET Framework Runtime 1.1 Language Pack
[3/8/2007 22:42:28] Installation aborted
[3/8/2007 22:42:41] === Installation ended ===