Looks like it might be your video card not being able to handle it. Sorry. :( Not sure of anything else to try. Do you have another computer?
Is AMD Radeon HD 6700 series good for gaming?
The Radeon HD 6700 is an AMD video card categorized as High Performance. It is 7 generations old. The Radeon HD 6700 will run 71% of the top 8,000 PC games. It will also run 48% of these games at the recommended or best experience levels.