I have installed Band Hero several times now on my external hard drive, everything seems ok untill i try 2 play it then nothin happens,Ive installed dozens of games b4 and never had a problem, any idea's please?? (P.S. Im as green as they come regardin all this Wii Hackin and the like, so if you can help me the simpler the termonology, the better please, many thanks)