1.    03 Nov 2015 #1
    Join Date : Nov 2015
    Posts : 2
    Windows 8 -> Win 10

    Kernel Security Check Failure randomly since updating to Win10

    After upgrading to Windows 10 I've gotten blue screen'd at random times. At first I kept getting them whenever I would plug in my laptop to an outlet, or close it, unplug it, open it back up.
    One other time I was using my laptop and the power just cut out. No blue screen or anything, just cut to black.
    Each time it seems to be Kernel Security Check Failure, I think there may have been one more but I'm honestly not sure. another happens when my computer is on but not plugged in, it gives me Attempted Switch From DPC when I plug the charger in (just happened).
    The most recent one (today, right before posting this) I had Android Studio downloading the android SDK, Firefox browsing the internet, and a few other programs doing nothing right before I again got a blue screen with Kernel Security Check Failure. My laptop is plugged in and has been for a while, and I'm tired of these crashes.
    Any help is greatly appreciated, as currently I am considering going back to Windows 8.1 just to have some much needed stability.
    Attachment 46194
    Last edited by ckris; 03 Nov 2015 at 19:18.
      My ComputerSystem Spec
  2.    04 Nov 2015 #2
    Join Date : Jun 2015
    Posts : 12,951
    Windows 10 Pro

    Hi ckris,

    Welcome to the 10forums.

    Are you switching between your GPU's?
    The crashes are caused by a driver for the display from Nvidia.
    Please uninstall everything of Nvidia using Display Driver Uninstaller and install new drivers from your manufacturer. Be sure the clean install box is checked and only install the Graphics driver and the PhysX driver.
    *** WARNING: Unable to verify timestamp for nvkflt.sys
    *** ERROR: Module load completed but symbols could not be loaded for nvkflt.sys
    4: kd> lmvm nvkflt
    start             end                 module name
    fffff800`0a550000 fffff800`0a59d000   nvkflt   T (no symbols)           
        Loaded symbol image file: nvkflt.sys
        Image path: \SystemRoot\system32\DRIVERS\nvkflt.sys
        Image name: nvkflt.sys
        Timestamp:        Tue Jan 07 22:21:02 2014 (52CC6FBE)
        CheckSum:         0004A130
        ImageSize:        0004D000
        Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
      My ComputersSystem Spec
  3.    05 Nov 2015 #3
    Join Date : Nov 2015
    Posts : 2
    Windows 8 -> Win 10
    Thread Starter

    Thank you very much!
    I've gone and used the display driver uninstaller and then reinstalled new drivers and it seems to all be in working order now.
    I hadn't purposely tried to reproduce the bluescreens (although in hindsight I should have) so I'm not 100% sure if plugging it in and out bluescreened it every time, but I've been fooling around and have not had an error yet.
    Thanks again for the quick reply and solution, I'm marking this as solved and hopefully it will stay that way.
      My ComputerSystem Spec
  4.    05 Nov 2015 #4
    Join Date : Jun 2015
    Posts : 12,951
    Windows 10 Pro

    You're welcome
      My ComputersSystem Spec


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