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Windows 7: Software won't open - Extension already Exits error

05 Oct 2011   #1

Windows 7 Premium 64 bit
Software won't open - Extension already Exits error

I have math software that installed and ran fine on windows 7. I didn't use it for 4 months and now when I try to run it I get an error.

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Here is some additional information:

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My program worked fine before so I don't know why it doesn't now. I have tried uninstalling and reinstalling but I still get the same 'Extension already exits' error

My System SpecsSystem Spec


 Software won't open - Extension already Exits error

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