Ok right up front, I'm not very computer savy.the professor sent a map and i couldn't open the thing? when i pluged in my pc111 I coudn't find it in my computer? what the hell????? daaaa! I didn't have the soft wair. down loaded the soft wair from power comander and wala! map in stalled. thanks profess. will give it a try friday night at the stip and let you know how it runs.