Kodewerx

I have the sd media launcher which I boot sdload through. Anyway I downloaded gcsim along with pheonix. upon loading gcsim It detects I have 100MB Full connection and then asks me to pick a memory card i pick slot B. It then says Please wait.... Which means "please load up a pc stream application" Anyway I load up Pheonix and select "N64 Mode" then I select Mario64 U ! (which by the way is supported). After words I click run and then the gamecube says "loading" and boots up the zelda collection emulator and it gets half way finished before just hanging. The command prompt shows loading then just cancels out. Each rom I try is different in the progress in the loading bar but I haven't got one to work. Any ideas?

EDIT: This problem isn't going to solve itself, any suggestion would be nice.