win 7 x64, SW Premium. I cannot get any simulation study to run. Even if I create a simple block, restrain it at one end and force it at the other (in compression) it meshes ok but throws up "Study Failed" as soon as it starts the study - no explanation. I have been doing simulation studdies for some considerable time with reasonable success and much more complex than this so I am at a bit of a loss. My work system, XP x64 will run simulation ok. Any ideas?