Seu problema é causado pelo driver Intel HD (igdkmd64.sys) que trava e isso faz com que esta nova verificação de bugs que foi adicionada no WIn8.
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* Bugcheck Analysis *
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DPC_WATCHDOG_VIOLATION (133)
The DPC watchdog detected a prolonged run time at an IRQL of DISPATCH_LEVEL
or above.
Arguments:
Arg1: 0000000000000000, A single DPC or ISR exceeded its time allotment. The offending
component can usually be identified with a stack trace.
Arg2: 0000000000000501, The DPC time count (in ticks).
Arg3: 0000000000000500, The DPC time allotment (in ticks).
Arg4: 0000000000000000
Debugging Details:
------------------
OVERLAPPED_MODULE: Address regions for 'tcpipreg' and 'btath_lwflt.' overlap
DPC_TIMEOUT_TYPE: SINGLE_DPC_TIMEOUT_EXCEEDED
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT
BUGCHECK_STR: 0x133
PROCESS_NAME: System
CURRENT_IRQL: d
ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre
LAST_CONTROL_TRANSFER: from fffff8017a18af7c to fffff8017a166ca0
STACK_TEXT:
nt!KeBugCheckEx
nt! ?? ::FNODOBFM::'string'
nt!KiUpdateRunTime
nt!KeClockInterruptNotify
hal!HalpTimerClockIpiRoutine
nt!KiCallInterruptServiceRoutine
nt!KiInterruptSubDispatchNoLockNoEtw
nt!KiInterruptDispatchLBControl
nt!KxWaitForLockOwnerShip
igdkmd64
0x0
STACK_COMMAND: kb
FOLLOWUP_IP:
igdkmd64+64b69
fffff800'02e8cb69 ?? ???
IMAGE_NAME: igdkmd64.sys
FAILURE_BUCKET_ID: 0x133_DPC_igdkmd64+64b69
Loaded symbol image file: igdkmd64.sys
Image path: \SystemRoot\system32\DRIVERS\igdkmd64.sys
Image name: igdkmd64.sys
Timestamp: Wed Dec 18 21:49:12 2013
Solicite à Samsung novos drivers, os drivers genéricos da Intel podem causar problemas quando não forem testados pelo OEM. Também reverter o driver para uma versão mais antiga, talvez isso ajude.