Frequent BSOD reboot : event log "......bugcheck was: 0x00000076 (0x0000000000000000, 0xfffffa8004b988b0, 0x0000000000000001, 0x0000000000000000)......"

My 64 bit Win 7 (Home premium) lap top frequently get rebooted after a BSOD. (the details of the event log are pasted below).
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The computer has rebooted from a bugcheck. The bugcheck was: 0x00000076 (0x0000000000000000, 0xfffffa8004b988b0, 0x0000000000000001, 0x0000000000000000). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 070412-31933-01.

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-

System

- Provider [ Name] Microsoft-Windows-WER-SystemErrorReporting [ Guid] {ABCE23E7-DE45-4366-8631-84FA6C525952} [EventSourceName] BugCheck

- EventID 1001 [ Qualifiers] 16384

Version 0

Level 2

Task 0

Opcode 0

Keywords 0x80000000000000

- TimeCreated [ SystemTime] 2012-07-05T02:31:16.000000000Z

EventRecordID 3369245

Correlation

- Execution [ ProcessID] 0 [ ThreadID] 0

Channel System

Computer kn-home

Security

-

EventData

param1

0x00000076 (0x0000000000000000, 0xfffffa8004b988b0, 0x0000000000000001, 0x0000000000000000)

param2

C:\Windows\MEMORY.DMP

param3

070412-31933-01

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Can some knowledgeable person give a solution to my long standing problem please?
(the core dump file is attached)
Thanks,
Srinath