I'm trying to reinstall SQL Server 2008 Reporting Services to my PC running
Windows 7 Pro, but I keep getting the following error during the reinstall:

TITLE: SQL Server Setup failure.
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SQL Server Setup has encountered the following error:

Object reference not set to an instance of an object..


This also occurs when I try to uninstall SQL Server 2008. The reason I'm
trying to reinstall Reporting Services is because my .rptproj won't open in
Vistual Studio 2005 or 2008. Thanks everyone for your help.