Creo Simulate 2.0 Part loading problem

Hi All,

               I have a problem here when i open any part for simulation using creo simulate 2.0 stand alone app it opens the part and suddenly blink & disappear without displaying any warning or error. I am using creo 2.0 student edition date code M010. I am using this on windows 8.1, 4 GB of ram, Intel core i3 3rd Generator Processor and 1 Gb Graphics of Nvidia Geforce 630M.

Kindly help.

Thanks