My PC keeps crashing bluescreen

Emachines version EL1352-21c
here is problem details:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.768.3
Locale ID: 4105

Additional information about the problem:
BCCode: 1e
BCP1: FFFFFFFFC0000005
BCP2: FFFFF80002F6F3FA
BCP3: 0000000000000001
BCP4: 0000000000000018
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\041312-32058-01.dmp
C:\Users\nick\AppData\Local\Temp\WER-106548-0.sysdata.xml


it crashes randomly even when i'm not doing anything on it; any help would be appreciated thank you

Go here and preform the memory and hard drive tests:
http://www.techspot.com/vb/topic51365.html

If any minidumps are created, you can attach them here. You may have to zip them first

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