HP Envy E1R44AV-15zj100 Blue Screen

I recently purchased the HP Envy 15z with WIndows 7 and I've had three or four Blue Screen crashes during the first two days of use.  Please help.  I'm hoping that I do not have to go through the hassle of returning this computer!

Here is my zipped dump file.

http://www.mediafire.com/download/azpepcggkyr2e9j/minidump.zip

Thanks,

Ryan