Cash Gopher!!Does not work...

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Well after I download Cash Gopher I wasn't able to see any application. I can see it that its in my toolbar but I can't open it so what I did was close it by pressing cntrl+alt+delete and going to task manager and closing the app. So I began to search for the application at my computer but I can't find it, then I open the setup application where I downloaded from mozilla but I can't install for some reason it says there's an error I can't login to Cash Gopher as well o.o please help me