hi running on mac osx, G4. 10.2.3 1ghz. currently on cable/dsl internet connection. when i download games and software off limewire, i can't get them to work. e.g when i install reason or cubase, it asks for the original disk. is there a way around this? do i need to download something else to work this out? please help, bit of a newbie. much appricate if anyone can help. many thanks timski.