Are you using CR8? See http://support.crystaldecisions.com/library/kbase/articles/c2008211.asp

>Hi All
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>I am currently facing problem that when i try to (Project,Refrences) it popup a error that Error Accessing the system registry.
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>My Os is Windows XP pro.
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>I try to trace out but i can't findout it.
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>Any help in this regard is apprecieted.
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>
>Thanks