i am haveing the same problem with the same iso. Black screen, it happens with avatar, princess and the frog and monopoly, my other 50 iso's are fine. i am using usb loader v50 cios38 rev 14 (tried 15 too). Was on menu 4.2, downgraded all my ios's and the menu to 3.2u but still the same. Also tried buring to disc and running from neogamma beta 8 and cioscorp 3.5 from the disc menu all with the same old result. please help!!