Game crashing after beating clayface

[Kirizaki]

Whenever I pass through the final act with Joker and Clayface in the theater, the last cinematic of the story plays, and after that, it crashes. Any help?
The game is beaten ater all but, I can't start a new game+ if it doesn't go through it.

[Sikopathic]

I'm getting the same problem. Really Annoying :(

[whitie63]

im having this problem to?????

[THANATRON]

Same here :/