My Park black Screen bug, HELP!

First of all, hello and hopefully i will recive some help from you guys, maby some of you have had or still have the same issue like i do. I will start from what i have already tried or done... i did update my graphicscard drivers.
Everything else works fine, i have no other issues with the game, just that one annoying thing, basicaly i can't play the part i will probably enjoy the most



Heres a video from youtube aswell, not mine but someone else has posted this aswell, i have the same exact issue:

https://www.youtube.com/watch?v=g4x9LVYqgWQ


If anyone out there has a fix for it or has an idea what to do, PLEASE help me out.
My Rig info aswell:
Intel i5 750/2,67 GHz
4 gigs of ram
NVIDIA Gforce GTX 550TI

I'm running 64 bit Win 7 Home Premium


Thanks !