A stop 0x124 error usually means a hardware problem. Your last dmp file was dated 10/9/2012 so may not have the most current info. But based on that dmp:
Code:
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* *
* Bugcheck Analysis *
* *
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WHEA_UNCORRECTABLE_ERROR (124)
A fatal hardware error has occurred. Parameter 1 identifies the type of error
source that reported the error. Parameter 2 holds the address of the
WHEA_ERROR_RECORD structure that describes the error conditon.
Arguments:
Arg1: 0000000000000000, Machine Check Exception
Arg2: fffffa800814d4f8, Address of the WHEA_ERROR_RECORD structure.
Arg3: 0000000000000000, High order 32-bits of the MCi_STATUS value.
Arg4: 0000000000000000, Low order 32-bits of the MCi_STATUS value.
Debugging Details:
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BUGCHECK_STR: 0x124_AuthenticAMD
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: System
CURRENT_IRQL: 0
STACK_TEXT:
fffff880`031af6f0 fffff800`03114ca9 : fffffa80`0814d4d0 fffffa80`06a2d040 00000000`0000000c 00000000`00000000 : nt!WheapCreateLiveTriageDump+0x6c
fffff880`031afc10 fffff800`02ff5547 : fffffa80`0814d4d0 fffff800`0306f2d8 fffffa80`06a2d040 00000000`00000000 : nt!WheapCreateTriageDumpFromPreviousSession+0x49
fffff880`031afc40 fffff800`02f5c945 : fffff800`030d0ae0 fffff800`02edb82d 00000000`00000010 00000000`00000206 : nt!WheapProcessWorkQueueItem+0x57
fffff880`031afc80 fffff800`02edb841 : fffff880`010b8e00 fffff800`02f5c920 fffffa80`06a2d000 00000000`00000000 : nt!WheapWorkQueueWorkerRoutine+0x25
fffff880`031afcb0 fffff800`03168e6a : 03030208`08051114 fffffa80`06a2d040 00000000`00000080 fffffa80`06a269e0 : nt!ExpWorkerThread+0x111
fffff880`031afd40 fffff800`02ec2ec6 : fffff880`02f64180 fffffa80`06a2d040 fffff880`02f6efc0 00000000`00000000 : nt!PspSystemThreadStartup+0x5a
fffff880`031afd80 00000000`00000000 : fffff880`031b0000 fffff880`031aa000 fffff880`037fd740 00000000`00000000 : nt!KxStartSystemThread+0x16
STACK_COMMAND: kb
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: hardware
IMAGE_NAME: hardware
DEBUG_FLR_IMAGE_TIMESTAMP: 0
FAILURE_BUCKET_ID: X64_0x124_AuthenticAMD_PROCESSOR_BUS_PRV
BUCKET_ID: X64_0x124_AuthenticAMD_PROCESSOR_BUS_PRV
Followup: MachineOwner
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If you've OCed your computer I'd recommend restoring default values at least temporarily. Unplug all non-essential USB devices. And follow the troubleshooting steps here:
Stop 0x124 - what it means and what to try