psp iso problems

[krayzjay]

ppppppppppplllllllllzzzzzzzzzz help sum1 i have quite a collection of bought games and wish 2 rip them 2 mem stick ( easier 2 carry rnd) im usin psp filer 4.0 to rip them and found sum of them dont work eg dungeon siege its taken up the space on the mem stick but it dosent show on the game select screen or on my pc this has happened wit a few games i also downloaded the ones that r doin this but alas the same problem. is there ne way of fixing this.

[Eviltaco64]