Thanks a lot for providing it, i looked into it and from what i learned it isnt related to the game crashing but the "player" that runs the game, thats the reason no crash display happens.
It most likly is related to the operating system you use and or the path you put the game folder in. Since i never saw the crash while test playing on windows 7. One thing i read that can be done is to update the "player" to a newer version but i am not sure if it would fix the crash. But I surely can try that.
Does it happened after you run the game for a very long time? Just a normal encounter or any kind of special encounter like bosses or event fights?