This line is wrong: Shell 'C:\WINDOWS\uninst.exe-y -f"C:\Program Files\Pivotal\Relation" >NUL 2>NUL /passive'
You cannot redirect without the command interpreter. There is a FAQ on that. There should be a space between .exe and -y The /passive switch should be before the failed redirects.
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
