Windows 7 ultimate crashes randomly: Event 41,KernelPow

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  1. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #11

    Updates:

    Please see this events log.




    It seems just before crash (3rd row), some error related to sptd, event 4 occurred. sptd seem to be related to Daemon Tools, which I cleanly uninstalled 3 days ago with Revo Uninstaller. No idea why it is causing problem now?

    This post suggests to remove a particular windows update to solve the problem. But this update doesn't exist on my laptop.
    Last edited by understack; 22 Mar 2010 at 03:19.
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  2. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #12

    I've followed this thread and this other solution. I'll post my results again. Meanwhile, please feel free to suggest.
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  3. Posts : 17,545
    Windows 10 Pro x64 EN-GB
       #13

    Do you have Daemon Tools installed? Driver called sptd.sys (Scsi Pass Through Direct) comes with some third party virtual CDapps, most common is Daemon.

    However, the 8 minutes time difference between sptd and hard reset tells it most probably was not the cause.
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  4. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #14

    Kari said:
    Do you have Daemon Tools installed? Driver called sptd.sys (Scsi Pass Through Direct) comes with some third party virtual CDapps, most common is Daemon.
    Currently I don't have it. I uninstalled it 3-4 days ago. I've updated STPD driver for windows 7 anyways.

    Kari said:
    However, the 8 minutes time difference between sptd and hard reset tells it most probably was not the cause.
    That's what I thought initially. But time difference is 8 seconds not 8 minutes.
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  5. Posts : 17,545
    Windows 10 Pro x64 EN-GB
       #15

    understack said:
    Kari said:
    However, the 8 minutes time difference between sptd and hard reset tells it most probably was not the cause.
    That's what I thought initially. But time difference is 8 seconds not 8 minutes.
    My bad! I'm sorry.

    So it looks like it's the sptd.sys that caused the crash. Other members can have other opinions but to me it's quite clear: sptd crashes and 8 seconds later the whole system, there's nothing to see between these two events.

    Kari
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  6. Posts : 13,354
    Windows 7 Professional x64
       #16

    SPTD does cause a lot of blue screens. I would recommend removing it completely until this issue is resolved.
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  7. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #17

    Since I updated sptd.sys from here, my machine is a lot stable. In fact no crash since then :) . I'll put my updates here if it crashes again. Thank you all for your help.
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  8. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #18

    hmmm, I was wrong. Even after updating sptd.sys, it crashed. So now going with Jonathan_King's recommendation ie completely uninstall it.will post updates again.
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  9. Posts : 20
    windows 7 Ultimate 32 bit
    Thread Starter
       #19

    ok, even uninstalling SPTD didn't work. Please see this log:



    Strange thing is that I don't see any suspicious event around crash time (blue line)? No minidump was created. Anyone got idea?
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  10. Posts : 28,845
    Win 8 Release candidate 8400
       #20

    understack said:
    ok, even uninstalling SPTD didn't work. Please see this log:



    Strange thing is that I don't see any suspicious event around crash time (blue line)? No minidump was created. Anyone got idea?
    Understack

    Have you searched for event ID 41, either here or on google?
      My Computer


 
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