Try the Windows Installer CleanUp Utility:
http://support.microsoft.com/kb/290301
It could be that your installation package is somehow damaged and fails to properly install. The Windows Installer CleanUp Utility can remove the old installer package so that you can download a newer, and hopefully, undamaged installer that will work properly.
Please keep us posted.
- 已標示為解答James- Support EngineerMSFT, 版主Monday, 20 July, 2009 20:21
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