System = AMD PhenomII x4 945 processor, 8gig memory,Win 7 home premium, 64 bit,AtiRadeon HD5600 Video card with 1 gig memory
Thanks for your reply. I just installed SP1 but it didn't help. Open GL works fine in other views, just not in unified view. There seems to be other bugs in the unified view mode as well like objects randomly changing Z elevation.