GTXP.DLL - CPU Hog

I'm running Map Monkey 1.1.348 embedded in RoadRunner in advanced GPS mode. Using Xport3.

I was experiencing occasional crashes from GTXP.DLL, did a search, found the beta dll referenced http://www.mp3car.com/vbulletin/map-monkey/59339-where-to-download-fixed-gtxp-dll-named-gtxp_beta-dll.html.

When I swap that DLL in, my CPU usage shoots up to near 100% and everything slows to a crawl. Map monkey works, but hangs when trying to close the program.

Of course, reverting to the other DLL invites the crashes to return.

Any Ideas?

Thanks,

Brian