Blue screen error

Problem signature:
  Problem Event Name:BlueScreen
  OS Version:6.1.7601.2.1.0.256.1
  Locale ID:7177

Additional information about the problem:
  BCCode:116
  BCP1:84FF8510
  BCP2:8F02D9B0
  BCP3:00000000
  BCP4:0000000C
  OS Version:6_1_7601
  Service Pack:1_0
  Product:256_1