Logic Pro 9

HI I HAVE CURRENTLY JUST PURCHASED A NEW MACBOOK PRO WITH MORE RAM ETC I HAVE INSTALLED LOGIC 9 INTO IT AND FOR SOME REASON EVERYTIME I IMPORT AUDIO SAMPLES INTO IT SAYS UNEXPECTED CRASH NOW I KNOW THAT THE MORE TRACKS WITH SYNTHS ETC TAKE UP MORE CPU BUT THIS HAPPENS JUST WHEN IM STARTING OFF A NEW PROJECT CAN ANYONE HELP ME PLEASE THANKS LIAM🙂