BSOD a cause de ntoskrnl.exe

Bonjour,

Depuis ce soir je commence a avoir des blue screen répétitif alors que je n'ai pas installé de nouveaux logiciels depuis une semaine. J'ai fait une vérification de ma mémoire mais ca na donné aucun résultat.
Voici le rapport de WO :
Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Fri 14/08/2015 20:42:41 GMT your computer crashed
crash dump file: C:\Windows\Minidump\081415-22698-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x75BC0)
Bugcheck code: 0x50 (0xFFFFFAC00C86D9A8, 0x0, 0xFFFFF800031D8A7C, 0x5)
Error: PAGE_FAULT_IN_NONPAGED_AREA
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 invalid system memory has been referenced.
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 that cannot be identified at this time.



On Wed 04/02/2015 11:53:55 GMT your computer crashed
crash dump file: C:\Windows\Minidump\020415-15631-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x75BC0)
Bugcheck code: 0x19 (0x20, 0xFFFFF8A0120C2A80, 0xFFFFF8A0120C2AB0, 0x5030341)
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 that cannot be identified at this time.



On Sun 28/12/2014 09:26:45 GMT your computer crashed
crash dump file: C:\Windows\Minidump\122814-20794-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x75BC0)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF8000310DCEC, 0xFFFFF8800AFE7CB0, 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 that cannot be identified at this time.





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Conclusion
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3 crash dumps have been found and analyzed. No offending third party drivers have been found. Connsider using WhoCrashed Professional which offers more detailed analysis using symbol resolution. Also configuring your system to produce a full memory dump may help you.


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 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.

Je ne sais absolument pas quoi faire,
Merci de votre aide