PSP Freezes/Crashes

[winterICE8]

i'm having some trouble with mine too, i too am using a iso of FTB2, and i hav the disc copy too, and i hav updated codes and everything i need to get it to work, but when i'm in game, it'll be goin good, but then all of the sudden, it freezes, idk if it's the iso or if i too many codes on or just too many codes on my psp, i need some BIG help.

----Added 4/6/2009 at 1:22 PM----
I don't use the disc right now because my friend has it