Windows 10: Page fault in non paged area (portcls.sys)

Discus and support Page fault in non paged area (portcls.sys) in Windows 10 BSOD Crashes and Debugging to solve the problem; Hey I am new here so I will try and keep this as concise as possible! I get the BSOD seen in the title on this PC at random intervals but usually... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by merp1991, Jul 15, 2016.

  1. merp1991 Win User

    Page fault in non paged area (portcls.sys)


    Hey I am new here so I will try and keep this as concise as possible!

    I get the BSOD seen in the title on this PC at random intervals but usually once or twice per fortnight. This might be while gaming, web browsing or doing anything normal.

    I followed this thread for analysing 2 dump files I have retained (I believe these are full memory dumps). I found that nvlddmkm might be causing the issue, however I wasn't totally convinced it was the nvidia drivers at fault as this was a fresh Win 10 install about a month or two ago.

    I have followed the BSOD posting instructions to generate the zip with the logs etc in it however the tool doesn't seem to like making the zip when it includes the 2 large dump files I checked above as the zip ends up being empty? I can only run it successfully if I just leave in the smaller dumps from C:\windows\minidump. I will attach the one it can make and can attach another zip with the 2 larger dumps in if needed? This extra zip would be over 400MB so not sure if that would be allowed or even needed!

    Thanks in advance.

    :)
     
    merp1991, Jul 15, 2016
    #1
  2. Anne Ros Win User

    BSOD: PAGE FAULT IN NON PAGED AREA

    Hi,

    Error code PAGE_FAULT_IN_NON_PAGED_AREA can occur either be a software or hardware related issues. To help us isolate the issue, we suggest running the
    blue screen error troubleshooter as an initial troubleshooting step and see if it will work.

    Get back to us with the outcome so we can provide further assistance.
     
    Anne Ros, Jul 15, 2016
    #2
  3. Page fault in non paged area

    I have attempted the upgrade to windows 10 twice. Each time it ends with this error:

    Your PC ran into a problem and needs to restart. We're just collecting some error info, and then we'll restart for you. (100% complete)

    If you'd like to know more, you can search online later for this error:

    PAGE_FAULT_IN_NONPAGED_AREA(TfSysMon.sys)

    I waited for the restart overnight and it never came. After manual power reset the system is restored to windows 7.

    How do I get passed this so I can complete the upgrade to windows 10?
     
    Frank Gate, Jul 15, 2016
    #3
  4. ARC
    Arc Win User

    Page fault in non paged area (portcls.sys)

    If you uninstall Virtual Audio Cable by EuMus Design, what happens? Check it and let us know.

    Not suggesting for an update because I am not seeing a driver for it that is compatible with Windows 10.
    ________________________________________________________________________
    Code: BugCheck 50, {ffffe0006a15c008, 0, fffff801a0c080bd, 0} *** WARNING: Unable to verify timestamp for vrtaucbl.sys *** ERROR: Module load completed but symbols could not be loaded for vrtaucbl.sys Could not read faulting driver name Probably caused by : portcls.sys ( portcls!GetMaxMapRegisters+5 ) Followup: MachineOwner ---------[/quote] Code: Image name: vrtaucbl.sys Timestamp: Sun Apr 01 14:38:53 2012 (4F781B25)[/quote]
     
  5. merp1991 Win User
    Ah yeah I use this for splitting my audio channels for game recording/streaming. I'll uninstall it and monitor it for a while, thanks!
     
    merp1991, Jul 15, 2016
    #5
  6. merp1991 Win User
    I think I will go ahead and mark this as resolved. I uninstalled it and it's been ok so far, however I think the issues have been my own doing! I think I have been using an out of date version which I had kept on USB media from my last Windows install, however since downloading some time ago it there have been some updates to it.

    Specifically versions 4.13 and 4.14 of VAC have had fixes for the portcls.sys / GetMaxMapRegisters issues which you have pointed out above. I am now going to install the latest version and that should hopefully sort it. If I have any further issues I will uninstall it again and run for a few weeks and make another thread if anything else is causing bother.

    Thanks for the help *Smile
     
    merp1991, Apr 5, 2018
    #6
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Page fault in non paged area (portcls.sys)

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