vista安装cad2008出现Installation aborted, Result=1603，在线急等

昨晚电脑装上了CAD2008,然后我想重装系统下,就恢复出厂设置了,相当于重装系统,然后今天再安装cad2008就出现错误，就是前面相关组件都好着呢，但到安装cad2008主程序时弹出一个对话框，提示并按提示看，出现
2008/1/19:18:45:55 Administrator LH-AGFHGJPAG2NU === Setup started on LH-AGFHGJPAG2NU by Administrator ===
2008/1/19:18:47:01 Administrator LH-AGFHGJPAG2NU Install .NET Framework Runtime 2.0 Language Pack Succeeded
2008/1/19:18:47:31 Administrator LH-AGFHGJPAG2NU Install DirectX 9.0 Runtime Succeeded
2008/1/19:18:47:36 Administrator LH-AGFHGJPAG2NU Install MSXML 6 Succeeded
2008/1/19:18:48:31 Administrator LH-AGFHGJPAG2NU Install DWF Viewer Succeeded
2008/1/19:18:51:06 Administrator LH-AGFHGJPAG2NU Install Flash Succeeded
2008/1/19:18:51:08 Administrator LH-AGFHGJPAG2NU Install MDAC 2.7 Succeeded
2008/1/19:18:51:16 Administrator LH-AGFHGJPAG2NU Install AutoCAD 2008 Failed Installation aborted, Result=1603
2008/1/19:18:51:16 Administrator LH-AGFHGJPAG2NU === Setup ended ===

弄了一天了,都用盘重装了也不行,哪位大虾有什么办法啊...急啊~~~
在此谢过

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