My ins creeed 2 wont do english voice?

I haven't played AC2 in a long time so when i did about 2 days ago i started new story mode and when i got into the Abstergo room with red on the wall all i hear are the footsteps no one talking. So then i change the language to italian and i heard then speak italian i am thinking that my disk is scratched i already tried toothpaste trick didn't work does anyone know aProductst that can fix diskss?