psp - psx game not working

[si200]

Hi i have got the game streetfighter ex2+ and have used psx2psp to make the eboot but everytime i start to play the game on the psp and after about 3mins the game goes all fuzzy with blocks, what can i do to get the game working properly.

Thanx in advance...:)

[acn010]

i think your disc is scratched