bsod

i keep getting these most times i start pc,any 1 know the prob
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 2057

Additional information about the problem:
BCCode: 1000007f
BCP1: 00000008
BCP2: 807CA750
BCP3: 00000000
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\042210-17940-01.dmp
C:\Users\new\AppData\Local\Temp\WER-29858-0.sysdata.xml

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we will need the actual .dmp file for analysis....

[1 - Novice] How to ask for help with a BSOD problem