Blue Screen. need help.

i oftenly experienced blue screens. this is the info of blue screen.

Problem signature:
  Problem Event Name:BlueScreen
  OS Version:6.1.7600.2.0.0.256.1
  Locale ID:1033

Additional information about the problem:
  BCCode:50
  BCP1:FE6ABDC4
  BCP2:00000000
  BCP3:95CECC3F
  BCP4:00000000
  OS Version:6_1_7600
  Service Pack:0_0
  Product:256_1

Files that help describe the problem:
  C:\Windows\Minidump\061614-16208-01.dmp
  C:\Users\Rivera\AppData\Local\Temp\WER-35958-0.sysdata.xml

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  C:\Windows\system32\en-US\erofflps.txt

anybody help me pls :(