Lone echo

I purchased the game yesterday, i really enjoyed it but i keeps crashing at the same point every time (have tryed alot!) it seem like it is at a milestone maby at a autosave or somthing. 
I downloaded save games to skip the bugged places, but at every save mile stone in the different chapter it crashes again, the game is unplayable like this. i would love if there was a way to fix this. 
i have a good enough computer so that should not be the