Windows 7: Crashes ~ once/week (BSOD)

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

BugCheck 124, {0, 8757e8fc, 0, 0}

Probably caused by : hardware

Followup: MachineOwner
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1: kd> !analyze -v
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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: 00000000, Machine Check Exception
Arg2: 8757e8fc, Address of the WHEA_ERROR_RECORD structure.
Arg3: 00000000, High order 32-bits of the MCi_STATUS value.
Arg4: 00000000, Low order 32-bits of the MCi_STATUS value.

Debugging Details:
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BUGCHECK_STR:  0x124_GenuineIntel

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  System

CURRENT_IRQL:  0

STACK_TEXT:  
8e38bcc4 834d60c5 8757e8e0 8356ec28 8356ec20 nt!WheapCreateTriageDumpFromPreviousSession+0x32
8e38bce4 834d6eef 8356ec20 8757e8e0 8356ec50 nt!WheapProcessWorkQueueItem+0x56
8e38bd00 8347503b 8356ec20 00000000 85da0d48 nt!WheapWorkQueueWorkerRoutine+0x1f
8e38bd50 836159df 00000001 a6a66ee9 00000000 nt!ExpWorkerThread+0x10d
8e38bd90 834c71d9 83474f2e 00000001 00000000 nt!PspSystemThreadStartup+0x9e
00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x19


STACK_COMMAND:  kb

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: hardware

IMAGE_NAME:  hardware

DEBUG_FLR_IMAGE_TIMESTAMP:  0

FAILURE_BUCKET_ID:  0x124_GenuineIntel_PROCESSOR_BUS_PRV

BUCKET_ID:  0x124_GenuineIntel_PROCESSOR_BUS_PRV

Followup: MachineOwner
---------

1: kd> lmtsmn
start    end        module name
8c095000 8c0dd000   ACPI     ACPI.sys     Tue Jul 14 11:11:11 2009 (4A5BBF0F)
8c1e6000 8c1ef000   amdxata  amdxata.sys  Wed May 20 05:57:35 2009 (4A12F30F)
8c1ba000 8c1c3000   atapi    atapi.sys    Tue Jul 14 11:11:15 2009 (4A5BBF13)
8c1c3000 8c1e6000   ataport  ataport.SYS  Tue Jul 14 11:11:18 2009 (4A5BBF16)
83ac3000 83acb000   BOOTVID  BOOTVID.dll  Tue Jul 14 13:04:34 2009 (4A5BD9A2)
83b0d000 83bb8000   CI       CI.dll       Tue Jul 14 13:09:28 2009 (4A5BDAC8)
8c67a000 8c69f000   CLASSPNP CLASSPNP.SYS Tue Jul 14 11:11:20 2009 (4A5BBF18)
83acb000 83b0d000   CLFS     CLFS.SYS     Tue Jul 14 11:11:10 2009 (4A5BBF0E)
8c40f000 8c46c000   cng      cng.sys      Tue Jul 14 11:32:55 2009 (4A5BC427)
8c69f000 8c6ac000   crashdmp crashdmp.sys Tue Jul 14 11:45:50 2009 (4A5BC72E)
8c669000 8c67a000   disk     disk.sys     Tue Jul 14 11:11:28 2009 (4A5BBF20)
8c6b7000 8c6c0000   dump_atapi dump_atapi.sys Tue Jul 14 11:11:15 2009 (4A5BBF13)
8c6ac000 8c6b7000   dump_ataport dump_ataport.sys Tue Jul 14 11:11:16 2009 (4A5BBF14)
8c6c0000 8c6d1000   dump_dumpfve dump_dumpfve.sys Tue Jul 14 11:12:47 2009 (4A5BBF6F)
8c1ef000 8c200000   fileinfo fileinfo.sys Tue Jul 14 11:21:51 2009 (4A5BC18F)
83bb8000 83bec000   fltmgr   fltmgr.sys   Tue Jul 14 11:11:13 2009 (4A5BBF11)
8c47a000 8c483000   Fs_Rec   Fs_Rec.sys   Tue Jul 14 11:11:14 2009 (4A5BBF12)
8c637000 8c669000   fvevol   fvevol.sys   Sat Sep 26 14:24:21 2009 (4ABD7B55)
83817000 8384e000   hal      halmacpi.dll Tue Jul 14 11:11:03 2009 (4A5BBF07)
8c400000 8c408000   hwpolicy hwpolicy.sys Tue Jul 14 11:11:01 2009 (4A5BBF05)
80bd4000 80bdc000   kdcom    kdcom.dll    Tue Jul 14 13:08:58 2009 (4A5BDAAA)
8c3dc000 8c3ef000   ksecdd   ksecdd.sys   Tue Jul 14 11:11:56 2009 (4A5BBF3C)
8c578000 8c59d000   ksecpkg  ksecpkg.sys  Fri Dec 11 17:04:22 2009 (4B21C4C6)
8c273000 8c281100   Lbd      Lbd.sys      Fri Aug 28 21:02:18 2009 (4A979D1A)
83a3a000 83ab2000   mcupdate mcupdate.dll Tue Jul 14 13:06:41 2009 (4A5BDA21)
8c216000 8c2723e0   mfehidk  mfehidk.sys  Thu Oct 07 08:55:32 2010 (4CACD434)
8c1a4000 8c1ba000   mountmgr mountmgr.sys Tue Jul 14 11:11:27 2009 (4A5BBF1F)
8c0e6000 8c0ee000   msisadrv msisadrv.sys Tue Jul 14 11:11:09 2009 (4A5BBF0D)
8c3b1000 8c3dc000   msrpc    msrpc.sys    Tue Jul 14 11:11:59 2009 (4A5BBF3F)
8c5ed000 8c5fd000   mup      mup.sys      Tue Jul 14 11:14:14 2009 (4A5BBFC6)
8c483000 8c53a000   ndis     ndis.sys     Tue Jul 14 11:12:24 2009 (4A5BBF58)
8c53a000 8c578000   NETIO    NETIO.SYS    Tue Jul 14 11:12:35 2009 (4A5BBF63)
83407000 83817000   nt       ntkrpamp.exe Wed Oct 27 15:30:44 2010 (4CC78ED4)
8c282000 8c3b1000   Ntfs     Ntfs.sys     Tue Jul 14 11:12:05 2009 (4A5BBF45)
8c123000 8c134000   partmgr  partmgr.sys  Tue Jul 14 11:11:35 2009 (4A5BBF27)
8c0ee000 8c118000   pci      pci.sys      Tue Jul 14 11:11:16 2009 (4A5BBF14)
8c18f000 8c196000   pciide   pciide.sys   Tue Jul 14 11:11:19 2009 (4A5BBF17)
8c196000 8c1a4000   PCIIDEX  PCIIDEX.SYS  Tue Jul 14 11:11:15 2009 (4A5BBF13)
8c46c000 8c47a000   pcw      pcw.sys      Tue Jul 14 11:11:10 2009 (4A5BBF0E)
83ab2000 83ac3000   PSHED    PSHED.dll    Tue Jul 14 13:09:36 2009 (4A5BDAD0)
83a00000 83a2d000   rdyboost rdyboost.sys Tue Jul 14 11:22:02 2009 (4A5BC19A)
8c5e5000 8c5ed000   spldr    spldr.sys    Tue May 12 04:13:47 2009 (4A084EBB)
8c118000 8c123000   vdrvroot vdrvroot.sys Tue Jul 14 11:46:19 2009 (4A5BC74B)
8c59d000 8c5a5380   vmstorfl vmstorfl.sys Tue Jul 14 11:28:44 2009 (4A5BC32C)
8c134000 8c144000   volmgr   volmgr.sys   Tue Jul 14 11:11:25 2009 (4A5BBF1D)
8c144000 8c18f000   volmgrx  volmgrx.sys  Tue Jul 14 11:11:41 2009 (4A5BBF2D)
8c5a6000 8c5e5000   volsnap  volsnap.sys  Tue Jul 14 11:11:34 2009 (4A5BBF26)
8c016000 8c087000   Wdf01000 Wdf01000.sys Tue Jul 14 11:11:36 2009 (4A5BBF28)
8c087000 8c095000   WDFLDR   WDFLDR.SYS   Tue Jul 14 11:11:25 2009 (4A5BBF1D)
8c0dd000 8c0e6000   WMILIB   WMILIB.SYS   Tue Jul 14 11:11:22 2009 (4A5BBF1A)
Mini Kernel Dump does not contain unloaded driver list