Almost regular BSODs


  1. Posts : 3
    Windows 7 professional x64
       #1

    Almost regular BSODs


    Hi community,

    after looking for solutions on my own and searching the internet without result I hope you can help me somehow:

    Since I installed Windows 7 x64 on a new system (I had tried Vista x64 before but I don't like that OS), it keeps annoying me with random BSODs. Meanwhile, I have updated every driver and peace of software. The strange thing is following: The machine runs perfectly OK for one or more weeks before it crashes twice (either on two following days or within two hours). Then it works fine for a few days and so on (can be seen from the minidump, I suppose).
    The BSOD is always triggered by "ntoskrnl.exe" (says windows). And it always occurs when I work with the PC (for downloading and calculation purposes it runs two to four nights a week).
    As the OS is installed from a downloaded ISO-file (msdnaa), my first (and only) explanation so far are some corrupted bytes due to the download. I have checked the RAM with memtest yet, but without any result even after a few hours.

    The hardware is following:
    i7-860 on MSI P55M-GD45
    2x2GB GeIL PC3-10667U CL7-7-7
    2xSamsung HD502HJ Raid1
    HIS Radeon HD4760 1024MB (in second PCIe slot)
    Intel 5100agn (via adapter in first PCIe slot)

    Thank you very much for your help!


    (if I made too much spelling and grammar mistakes, feel free to drop a hint )
      My Computer


  2. Posts : 6,885
    Windows 7 Ultimate x64, Mint 9
       #2

    Don't worry, your English is WAY better than my German (the little that I know).

    The last three appear to be caused by your ShrewSoft Virtual Network Adapter, and needs to have its driver updated

    ~Lordbob
      My Computer


  3. Posts : 4,772
    Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
       #3

    Hello Mcpope, Welcome to SF,

    I guess the issue is with some VPN software in your Computer. It is referring to vfilter.sys possible locations are
    Code:
    %ProgramFiles%\awomo\vfilter.sys
    %ProgramFiles%\shrewsoft\vpn client\drivers\vfilter.sys
    %System%\drivers\vfilter.sys

    You could uninstall it and see whether it makes any difference.

    Run the Memory Diagnostic & HD Diagnostic

    Also i would recommend to run System Integrity Checker
    Start > Run > CMD >Right Click and Run as administrator > SFC/ SCANNOW
    Module name

    Code:
    fffff880`03a16000 fffff880`03a20000   vfilter  T (no symbols)           
    Loaded symbol image file: vfilter.sys
    Image path: \SystemRoot\system32\DRIVERS\vfilter.sys
    Image name: vfilter.sys
    Timestamp:        Fri Jan 16 13:28:27 2009 (49703E23)
    CheckSum:         0000BF71
    ImageSize:        0000A000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
    Debugging Details

    Code:
     
    READ_ADDRESS: GetPointerFromAddress: unable to read from fffff80002ef70e0
     0000000000000000 
    CURRENT_IRQL:  2
    FAULTING_IP: 
    nt!KeSetEvent+226
    fffff800`02cc50b6 488b09          mov     rcx,qword ptr [rcx]
    CUSTOMER_CRASH_COUNT:  1
    DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
    BUGCHECK_STR:  0xA
    PROCESS_NAME:  svchost.exe
    STACK_COMMAND:  kb
    FOLLOWUP_IP: 
    vfilter+290f
    fffff880`03a1890f ??              ???
    SYMBOL_STACK_INDEX:  4
    SYMBOL_NAME:  vfilter+290f
    FOLLOWUP_NAME:  MachineOwner
    MODULE_NAME: vfilter
    IMAGE_NAME:  vfilter.sys
    DEBUG_FLR_IMAGE_TIMESTAMP:  49703e23
    FAILURE_BUCKET_ID:  X64_0xA_vfilter+290f
    BUCKET_ID:  X64_0xA_vfilter+290f
    Hope this helps,
    Captain
      My Computer


  4. Posts : 3
    Windows 7 professional x64
    Thread Starter
       #4

    Wow. I checked the dump-files with "bluescreenreview", but compared to your information the tool is rather ... poor.

    Thank you both very much, great help!
    I would have searched the reason everywhere but definitely not in that peace of software.^^


    Now I've just uninstalled the vpn-client (hopefully completely...), let's see what happens during the next weeks. (Today, the machine collapsed two times and so the next "regular" BSOD should occur in one or two weeks.)
    Unfortunately I need a vpn-client from time to time for university stuff and shrew is the only one available for 7 x64 that is proved to work. Maybe another version works. I'll post the results.

    Just out of curiosity: How did you get all the data out of the dump-files?
      My Computer


  5. Posts : 4,772
    Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
       #5

    Follow this link Crash and lockup debug 'How To' - Windows 7 Forums there are some good articles to learn

    Good Luck,
    Captain
      My Computer


  6. Posts : 3
    Windows 7 professional x64
    Thread Starter
       #6

    No bluescreens so far.
    Thanks a lot for your help!
      My Computer


 

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