I have a black fw 3.03 psp THAT DOESN"T HAVE ANY HOMEBREW OF ANY KING and i was playin FEILD COMMANDER today for about 1 and a half hrs. Then i got board of it then switch game to GTA Liberty CIty Storys. and it came up quote ..,"The disk could not be read". and the disk looked alittle bit dirty soo i started cleaning it. the after about 30mins of trying to get it work i keep saytin tht it connot read disk. soo i put in my BROTHERS IN ARMS: DDAY game and it came up with the same thing!!! i thouhgt it was only my GTA LCS but its every UMD (Payed For Game, NO HOMEBREW)! please help me thanks.