Windows has recovered from an unexpected shutdown windows 7 ult x64

so this PC is only a few months old (custom build) and twice now i have gotten a quick BSOD that reset on it's own and recovered.  the message that i get when i log back in is "windows has recovered from an unexpected shutdown."

PC specs: - MB - MSI Z87-GD65, GPU - RD270, intel i5 4670k, RAM -8gb ddr3 1866 gskill

Problem signature:
  Problem Event Name:    BlueScreen
  OS Version:    6.1.7601.2.1.0.256.1
  Locale ID:    1033

Additional information about the problem:
  BCCode:    d1
  BCP1:    FFFFF88003DAF000
  BCP2:    0000000000000002
  BCP3:    0000000000000000
  BCP4:    FFFFF88004F8DFA0
  OS Version:    6_1_7601
  Service Pack:    1_0
  Product:    256_1

i dont know how to read the dumpfiles so hopefully someone on here can help :) thanks in advance.

here is the link to the minidump file http://www.mediafire.com/download/t068mpdcjf6j3pc/Crashfile.zip

james griffith