ok so im running 3.30 oe-a on my psp and i downloaded final fantasy vii crisis core and it was an iso it ran perfectly (even tho it was the japanese version and i couldnt understand a damn thing) but ive got some cso files for other games that when put in the same iso directory will not run. theyll show up and try to start but then i get that all to familiar error message game cannot be started do cso files not run on 3.30 and i need to convert these or what. help plz