Graphics driver crashing on new MBPr 15" w/ discrete graphics.

I bought the 15" MBPr w/ discrete graphics card a few days ago and installed Windows 7 via boot camp. Everything was working initially but my graphics drivers began crashing repeatedly. I restarted my computer which stopped it for a while. In this time I did things from school work to play video games without any problems. The next day after starting it up again the drivers began crashing over and over again. Has anyone else had this issue? I tried updating the graphics driver but received an error saying the card i