blue screen on my laptop

[marky-f1]

can anyone help keeps coming up a blue screen saying dumping memory then swithches off i got this from the messege when it loded up again?

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: 50
BCP1: 93B2F058
BCP2: 00000000
BCP3: 9A970832
BCP4: 00000000
OS Version: 6_0_6002
Service Pack: 2_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\Mini121509-01.dmp
C:\Users\mark\AppData\Local\Temp\WER-58422-0.sysdata.xml
C:\Users\mark\AppData\Local\Temp\WER1B8B.tmp.version.txt