Windows 10: BSOD kmode_exception_not_handled (classpnp.sys)

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  1.    05 Dec 2017 #11

    Same exact problem and code every time - 4 or 5 days now. Happens every day, about 2-5 times. Installed Firefox 57 probably around 2 weeks ago but had no BSODs until a few days ago (maybe an incompatible kaspersky update is the actual issue).

    BSODs always occur when opening or closing tabs (or firefox itself). Only one time, it happened when I was playing an online game and firefox was open in the background.

    After checking for hardware issues and reinstalling my graphics driver, I've now disabled Kaspersky and will see if this prevents it. I'll later try to turn it back on but use Waterfox (which I was using before for the 64-bit functionality).
      My ComputerSystem Spec

  2.    05 Dec 2017 #12

    I just got it a minute ago
    I was just looking at my tab, reading.... Let's hope they can get to bottom of this.
      My ComputerSystem Spec

  3.    05 Dec 2017 #13

    Question for you guys - we obviously have the same issue, however my partner has the same version of Kaspersky and Firefox as me, same Windows version with same updates etc., and has had no BSODs.

    So I'm trying to find out what is unique to us. Do you guys both have overclocked CPUs (perhaps 6700k)?
      My ComputerSystem Spec


  4. Posts : 11
    64-bit Windows 10 Home v1709 Build 16299.98
    Thread Starter
       05 Dec 2017 #14

    Well, guess you still found some issues regarding rule #4. Since I honestly got no idea what else you might be referring to, I just give up at this point. You can close the thread (if that's what you do here with ended threads?).

    For the record, no more bluescreen since updating the Intel driver and removing Kaspersky.
      My ComputerSystem Spec


  5. Posts : 5
    Windows 10 Pro Fall Creators Update
       05 Dec 2017 #15

    NkRQkYLz said: View Post
    I can confirm that is the case for me as well. The last time I got it I just closed Firefox.... and the time before it I was just browsing YouTube.

    I opened up a ticket to Kaspersky and see if we can exclude them or not.

    Waiting for a reply...
    Exactly same here! Since update to Firefox 57.0.x I get bluescreens after closing Firefox Windows, closing Tabs or watching youtube videos:
    kmode_exception_not_handled (classpnp.sys)
    I'm going back to Firefox 56.0.2 and it works fine without blue screen. I have reported this bug on bugzilla with my dump file.

    ------
    Windows 10 x64 Pro Fall Creators Update, i7 2600k, 16GB Ram DDR3, GTX 1080
      My ComputerSystem Spec

  6.    05 Dec 2017 #16

    Same here after updating from Firefox 57.0.0 to 57.0.1

    kmode_exception_not_handled (classpnp.sys) every 5-10 minutes...:)

    I am using Kaspersky Internet Security 18 (18.0.0.405(d))
      My ComputerSystem Spec


  7. Posts : 9
    Windows 10 Pro x64
       05 Dec 2017 #17

    I've been having the same issue since a few days ago. I am also a Kaspersky and Firefox 57 user. I just had this BSOD 15 minutes ago. It happened as soon as I pressed the X button to close Firefox. Maybe it has something to do with the Kaspersky Protection add-on. Firefox 57 changed the way extensions work, maybe there is some kind of incompatibility there. Will try disabling that extension, if it is possible and see what happens.
      My ComputerSystem Spec

  •    05 Dec 2017 #18

    mark7 said: View Post
    I've been having the same issue since a few days ago. I am also a Kaspersky and Firefox 57 user. I just had this BSOD 15 minutes ago. It happened as soon as I pressed the X button to close Firefox. Maybe it has something to do with the Kaspersky Protection add-on. Firefox 57 changed the way extensions work, maybe there is some kind of incompatibility there. Will try disabling that extension, if it is possible and see what happens.
    Can you pls keep us informed if disabling the addon solved the Problem?

    I all so tried to disable it, but it enables himself every time i start FF...
      My ComputerSystem Spec


  • Posts : 9
    Windows 10 Pro x64
       05 Dec 2017 #19

    JoergH said: View Post
    Can you pls keep us informed if disabling the addon solved the Problem?

    I all so tried to disable it, but it enables himself every time i start FF...
    Yes, I will report back whether it solves the problem. As for the auto-enabling of the add-on, go to Kaspersky settings -> Protection tab -> Web Anti-Virus -> Advanced Settings -> Uncheck "Automatically activate Kaspersky Protection extension in browsers"
      My ComputerSystem Spec

  •    05 Dec 2017 #20

    mark7 said: View Post
    Yes, I will report back whether it solves the problem. As for the auto-enabling of the add-on, go to Kaspersky settings -> Protection tab -> Web Anti-Virus -> Advanced Settings -> Uncheck "Automatically activate Kaspersky Protection extension in browsers"
    I got it again....
    And I just did that a few minutes earlier and can confirm that it was unchecked when I relaunched it.
    It happened when I was trying to close the browser using the big X.

    As a workaround, I think we should use an alternate browser until Firefox and/or Kaspersky resolves this issue.
      My ComputerSystem Spec


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