Flow simulation crashes my solidworks

Hi,

I need help with this situation badly,

I have new samsnug ATI book 6 windows 8.1, 8 GB RAM ,  1 TB HDD , and two graphic cards, I have solidworks 2014 I tried to run flow simulation many times with different design but every time Solidworks crashes and a window appears before crashing say that

assertion faild

Please, help me how to fix this problem immediately

SolidworksFlow Simulation