The error you've mentioned usually occurs when you're trying to "Install" a program. Is that the case here?
Please follow the instructions in the link below to remove a couple of improper registry keys and to re-register the jscript.dll and vbscript.dll files.(Posts 1 & 3 from the top.)
http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/error-2738-could-not-access-vbscript-run-time-for/1a4499ae-8bc1-4534-9c6f-4d399ac70d9a
Hope this helps.
Grif

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