Same picture here. I start Poser 12, try to open the preferences...boom, back to desktop. Open Poser 12, try to get to the render settings...puff, desktop again. First couple times it worked fine, i got some pretty quick rendered pictures out of it, but then it crashed after i played with the new post process tool. After this, the whole thing went down every time i opened it. I will wait until a more stable version is available.