Solidworks 2012 can not import STEP file

Hi all,

I have this STEP file from a vendor that I can not import to Solidworks 2012. It crashes Solidworks :

Solidworks Version : Premium 2012 x 64 Edition SP4.0.

Can you guys please kindly explain why and maybe even help me to convert this file parasolid format. Thank you very much !

SolidworksImport export