Pls Help! My computer crashes whenever i play any videos

i have an acer 4741g aspire with a pre installed windows 7 home premium 64bit operating system, intel core i3-370M processor, 2GB ddr3 memory, 320GB HDD, and NVIDIA GeForce GT415 graphic card. I reformatted my laptop recently because it runs very slowly since a friend borrow it from me, after i have reformat my laptop here comes the problem whenever i play video my computer crashes.. pls help me not much know bout this problem..

and ps.. need quick response since im a seafarer and have very limited time on port where we can have internet connection.. pls bear with me! thank you.. (have already attached bsod file folder and perfmon html file)

Its a hardware 0x124 error
Stop 0x124 - what it means and what to try

The dumps point to the CPU

   Information

Run Prime 95 to test your CPU. Carefully the instructions in this tutorial: CPU - Stress Test with Prime95. Run 3 separate tests, one on each of the settings (Blend, Small FFTs, Large FFTs). Post back with your results.

RAM - Test with Memtest86+

Code:

*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
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Use !analyze -v to get detailed debugging information.

BugCheck 124, {0, fffffa800297e028, be000000, 800400}

Probably caused by : hardware


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: fffffa800297e028, Address of the WHEA_ERROR_RECORD structure.
Arg3: 00000000be000000, High order 32-bits of the MCi_STATUS value.
Arg4: 0000000000800400, Low order 32-bits of the MCi_STATUS value.

Debugging Details:
------------------


BUGCHECK_STR:  0x124_GenuineIntel

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  wmplayer.exe

CURRENT_IRQL:  f

STACK_TEXT:  
fffff880`0316ba58 fffff800`03016903 : 00000000`00000124 00000000`00000000 fffffa80`0297e028 00000000`be000000 : nt!KeBugCheckEx
fffff880`0316ba60 fffff800`031d34d3 : 00000000`00000001 fffffa80`02beaea0 00000000`00000000 fffffa80`02beaef0 : hal!HalBugCheckSystem+0x1e3
fffff880`0316baa0 fffff800`030165c8 : 00000000`00000728 fffffa80`02beaea0 fffff880`0316be30 fffff880`0316be00 : nt!WheaReportHwError+0x263
fffff880`0316bb00 fffff800`03015f1a : fffffa80`02beaea0 fffff880`0316be30 fffffa80`02beaea0 00000000`00000000 : hal!HalpMcaReportError+0x4c
fffff880`0316bc50 fffff800`03015dd5 : 00000000`00000004 00000000`00000001 fffff880`0316beb0 00000000`00000000 : hal!HalpMceHandler+0x9e
fffff880`0316bc90 fffff800`03009e88 : 00000000`00000000 00000000`079ff774 00000000`00000000 00000000`00000000 : hal!HalpMceHandlerWithRendezvous+0x55
fffff880`0316bcc0 fffff800`030bbeac : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : hal!HalHandleMcheck+0x40
fffff880`0316bcf0 fffff800`030bbd13 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KxMcheckAbort+0x6c
fffff880`0316be30 00000000`6e8ff64d : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiMcheckAbort+0x153
00000000`079ff6b4 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x6e8ff64d


STACK_COMMAND:  kb

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: hardware

IMAGE_NAME:  hardware

DEBUG_FLR_IMAGE_TIMESTAMP:  0

FAILURE_BUCKET_ID:  X64_0x124_GenuineIntel_PROCESSOR_MAE

BUCKET_ID:  X64_0x124_GenuineIntel_PROCESSOR_MAE

Followup: MachineOwner
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Thanks for the response so much appreciated,, but dont have enough time now to post the results since my connection will gone out a few hours from now. But anyway il run the stress test i save the results for the time ill have an internet connection ill post it right away.

One more thing if i encounter a problem regarding the stress test results, in this case a hardware, does it mean i need to replace it if it damaged?
Thanks again!