BCCODE 124

using hp 620,4gb ram, window 7
i suddenly discover my system shutting down by itself generating error below
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: 124
BCP1: 0000000000000000
BCP2: FFFFFA80070FA038
BCP3: 00000000F2000040
BCP4: 0000000000000800
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\121012-23587-01.dmp
C:\Users\ALIKU MONDAY\AppData\Local\Temp\WER-101899-0.sysdata.xml

Read our privacy statement online:
http://go.microsoft.com/fwlink/?li [...] cid=0x0409

If the online privacy statement is not available, please read our privacy statement offline:
C:\windows\system32\en-US\erofflps.txt

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057

Additional information about the problem:
BCCode: 124
BCP1: 0000000000000000
BCP2: FFFFFA8007043038
BCP3: 00000000F2000040
BCP4: 0000000000000800
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\121012-20498-01.dmp
C:\Users\ALIKU MONDAY\AppData\Local\Temp\WER-55567-0.sysdata.xml

Read our privacy statement online:
http://go.microsoft.com/fwlink/?li [...] cid=0x0409

If the online privacy statement is not available, please read our privacy statement offline:
C:\windows\system32\en-US\erofflps.txt

pls how do i resolve this