Windows 8 and 8.1 Forums


  1. #1

    BSOD BAD_POOL_HEADER ntoskrnl.exe

    Hi all,
    I have run WhoCrashed program to try and figure out why my computer crashed. I came up with 2 problems, Avast and MS NT Kernel & System:

    On Thu 2/13/2014 11:02:08 AM GMT your computer crashed
    crash dump file: C:\Windows\Minidump\021314-112227-01.dmp
    This was probably caused by the following module: ntoskrnl.exe (nt+0xCA5C4)
    Bugcheck code: 0x19 (0xE, 0xFFFFFFFFA89B5000, 0x0, 0xFFFFFFFFEA239E37)
    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 Wed 3/12/2014 6:17:13 PM GMT your computer crashed
    crash dump file: C:\Windows\Minidump\031214-77548-01.dmp
    This was probably caused by the following module: aswsnx.sys (aswSnx+0x4EE27)
    Bugcheck code: 0x1000008E (0xFFFFFFFFC0000005, 0xFFFFFFFFA7653E27, 0xFFFFFFFFD7C1314C, 0x0)
    file path: C:\Windows\system32\drivers\aswsnx.sys
    product: avast! Antivirus
    company: AVAST Software
    description: avast! Virtualization Driver
    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.
    A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: aswsnx.sys (avast! Virtualization Driver, AVAST Software).

    Can anyone tell me how I resolve this, or will it be resolved if I uninstall avast?


      My System SpecsSystem Spec

  2. #2


    You should follow instructions from Blue Screen of Death (BSOD) Posting Instructions to collect the basic info needed for the troubleshooting. However uninstall Avast completely from the system first and check whether the BSOD stops.
      My System SpecsSystem Spec

  3. #3

    Thank you. I have removed avast. We'll see if this resolves the problem.

    UPDATE: 04-06-2014
    Avast have made some changes to their aswsnx.sys file. I followed their instructions to make sure Avast was completely removed from my system, then installed the latest version. It has been 5 days, and several reboots, without issue. It appears the problem has been resolved.
    Last edited by simrick; 06 Apr 2014 at 12:01. Reason: update
      My System SpecsSystem Spec

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