求助!! CAD2007安装不了

安装到最后出现1402错误,说不能设置Cofile/default Ion值,Setup.log如下:

2007/11/1:20:23:57 Owner SJJ-E1AA85D8 === Installation started on SJJ-E1AA85D8 by Owner ===
2007/11/1:20:24:01 Owner SJJ-E1AA85D8 Install MSI Runtime 3.1 Skipped Windows Installer upgrade is not required. System Version = 3.1.4000.4039
2007/11/1:20:24:01 Owner SJJ-E1AA85D8 Install .NET Framework Runtime 2.0 Skipped .NET Framework Runtime upgrade is not required. System Version = 2.0.50727.0
2007/11/1:20:24:32 Owner SJJ-E1AA85D8 Install .NET Framework Runtime 2.0 Language Pack Succeeded Command = "J:\Bin\AcadFEUI\support\dotnetfx\chs\langpack.exe" /q:a /c:"install.exe /qb"
2007/11/1:20:24:48 Owner SJJ-E1AA85D8 Install DirectX 9.0 Runtime Succeeded Command = "J:\Bin\AcadFEUI\support\DirectX\DXSETUP.exe" /silent
2007/11/1:20:24:48 Owner SJJ-E1AA85D8 Install MDAC 2.7 Skipped MDAC upgrade is not required. System Version = 2.81.1117.0
2007/11/1:20:25:10 Owner SJJ-E1AA85D8 Install Autodesk DWF Viewer Succeeded Command = "J:\Bin\AcadFEUI\support\aev\DWFViewerSetup.exe" /u2 /q2 /b0
2007/11/1:20:25:14 Owner SJJ-E1AA85D8 Install Flash Failed Failure is ignored, Result=1
2007/11/1:22:19:11 Owner SJJ-E1AA85D8 Install AutoCAD 2007 Failed Installation aborted, Result=1603
2007/11/1:22:19:11 Owner SJJ-E1AA85D8 === Installation ended ===
是什么原因?
如何解决?