On Thu 26/07/2012 15:04:14 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072612-7098-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F1C0)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF8000308A266, 0xFFFFF880086B8F30, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Thu 26/07/2012 15:04:14 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: ntkrnlmp.exe (nt!KeBugCheckEx+0x0)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF8000308A266, 0xFFFFF880086B8F30, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Thu 26/07/2012 13:33:33 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072612-7956-01.dmp
This was probably caused by the following module: afd.sys (afd+0x42228)
Bugcheck code: 0x1E (0x0, 0x0, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\drivers\afd.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: Ancillary Function Driver for WinSock
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time.
On Thu 26/07/2012 12:46:40 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072612-10732-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F1C0)
Bugcheck code: 0xD1 (0x9, 0x2, 0x0, 0xFFFFF88001692FFC)
Error: DRIVER_IRQL_NOT_LESS_OR_EQUAL
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode driver attempted to access pageable memory at a process IRQL that was too high.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Thu 26/07/2012 12:43:59 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072612-8049-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F1C0)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF800033D2CDC, 0xFFFFF880055DE010, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Thu 26/07/2012 12:41:40 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072612-7394-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F190)
Bugcheck code: 0x1E (0x0, 0x0, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Wed 25/07/2012 11:41:48 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072512-7113-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F1C0)
Bugcheck code: 0x1E (0xFFFFFFFFC0000005, 0xFFFFF80003357AE9, 0x1, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
On Tue 24/07/2012 22:32:50 GMT your computer crashed
crash dump file: C:\Windows\Minidump\072412-8018-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7F1C0)
Bugcheck code: 0x19 (0x3, 0xFFFFF900C2624740, 0xFFFFF900C2624740, 0xEFFFF900C2624740)
Error: BAD_POOL_HEADER
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a pool header is corrupt.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time.
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Conclusion
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8 crash dumps have been found and analyzed. No offending third party drivers have been found. Consider configuring your system to produce a full memory dump for better analysis.
Read the topic general suggestions for troubleshooting system crashes for more information.
Note that it's not always possible to state with certainty whether a reported driver is actually responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.