[3/12/2007 12:34:04] === Installation started on WWW-E00C389E5DD by Administrator ===
[3/12/2007 12:34:06] [Info] Windows Installer upgrade is not required
[3/12/2007 12:34:06] System Version = 3.1.4000.2435
[3/12/2007 12:34:06] Installation skipped: MSI Runtime 3.0
[3/12/2007 12:34:06] [Info] .NET Framework Runtime upgrade is not required
[3/12/2007 12:34:06] System Version = 1.1.4322.573
[3/12/2007 12:34:06] Installation skipped: .NET Framework Runtime 1.1
[3/12/2007 12:34:06] Installation started: .NET Framework Runtime 1.1 Language Pack
[3/12/2007 12:34:06] Command = "G:\Bin\AcadFEUI\support\dotnetfx\chs\langpack.exe" /q:a /c:"inst /qb"
[3/12/2007 12:34:53] [Error: 1603] 安装时发生严重错误
[3/12/2007 12:34:53] Installation failed: .NET Framework Runtime 1.1 Language Pack
[3/12/2007 12:34:53] Installation aborted
[3/12/2007 12:38:55] === Installation ended ===
參考答案:CAD2006安装前要装一些配件，这些配件是必须的，如果系统没有安装则CAD安装失败，出现你说的那些错误信息
这些配件包括
1、Microsoft .NET Framework 1.1
2、Microsoft .NET Framework 1.1中文包
3、Microsoft .NET Framework 1.1 Service pack1
4、windows installer 3.0
5、Flash 7.0插件
等等
其中Microsoft .NET Framework 1.1是必须要安装的