Hello,
I'd suspect this is being caused by either motherboard or CPU, though it could be a BIOS or RAM issue as well. Start by flashing the latest BIOS found here:
ASUSTeK Computer Inc. - Motherboards- ASUS P6X58D Premium
Run all three of the Prime95 tests:
http://www.sevenforums.com/tutorials...t-prime95.html
Also run Memtest86 for 7 or 8 (if not more) passes:
RAM - Test with Memtest86+ Code:
Event[5406]:
Log Name: System
Source: Microsoft-Windows-WHEA-Logger
Date: 2011-04-26T18:08:10.856
Event ID: 18
Task: N/A
Level: Error
Opcode: Info
Keyword: N/A
User: S-1-5-19
User Name: NT AUTHORITY\LOCAL SERVICE
Computer: SEVEN-PC
Description:
A fatal hardware error has occurred.
Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Internal Unclassified Error
Processor ID: 0
The details view of this entry contains further information.
...Summary of the dumps: Code:
Built by: 7601.17514.amd64fre.win7sp1_rtm.101119-1850
Debug session time: Tue Apr 26 19:07:05.028 2011 (UTC - 4:00)
System Uptime: 3 days 4:42:50.950
Probably caused by : hardware
BUGCHECK_STR: 0x124_GenuineIntel
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: hl2.exe
FAILURE_BUCKET_ID: X64_0x124_GenuineIntel_PROCESSOR_MAE
BiosReleaseDate = 02/24/2010
SystemProductName = System Product Name
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Built by: 7601.17514.amd64fre.win7sp1_rtm.101119-1850
Debug session time: Sun Apr 17 14:20:11.855 2011 (UTC - 4:00)
System Uptime: 0 days 23:42:21.159
Probably caused by : ntkrnlmp.exe ( nt!KiPageFault+260 )
PROCESS_NAME: System
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
BUGCHECK_STR: 0xD1
FAILURE_BUCKET_ID: X64_0xD1_CODE_AV_BAD_IP_nt!KiPageFault+260
BiosReleaseDate = 02/24/2010
SystemProductName = System Product Name
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Built by: 7601.17514.amd64fre.win7sp1_rtm.101119-1850
Debug session time: Fri Apr 15 00:08:32.669 2011 (UTC - 4:00)
System Uptime: 3 days 14:36:41.590
*** WARNING: Unable to verify timestamp for intelppm.sys
*** ERROR: Module load completed but symbols could not be loaded for intelppm.sys
Probably caused by : hardware ( intelppm+39c2 )
BUGCHECK_STR: 0x1E_0
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_IP_MISALIGNED
BiosReleaseDate = 02/24/2010
SystemProductName = System Product Name
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