dvd santa video freeze

ok i have another problem so far ive done a few csi episodes and theyve worked fine but i tried burning the movie texas chainsaw massacre and about half way through it freezes and it stays at a frame stuk and only the audio of the movie go on this also happened with the movie ferris buellers day off also i tried to burn with nero and before i could burn it it said the file had some problem and the dvd wont be readable so was it the file i downloaded tht had a problem??? please help soon