Continuous USB issues – Windows 10 x64

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  • #15863
    Avatarbzowk
    Participant

    Hey Guys –

    I love NoMachine as I use it in my lab at home.  However, I’ve had a major issue for a while which if unresolved may cause me to stop using it altogether.  When locally using into my primary workstation (Windows 10 x64) which has the latest NoMachine installed, I get frequent USB disconnects / connects.  They occur randomly with sometimes as often as 1 – 2 a minute and other times hardly ever.  Seemingly not triggered by any specific process or action.  Below are log entries as well as system specs.

    Environment / System Specs

    • Windows 10 x64 Pro (Fully patched)
    • i7-3770k CPU / 32gb RAM / OS installed on SSD with 13 disk 42tb disk pool for storage

    Windows Event Log (System)

    • “Detected unrecognized USB driver (\Driver\nxusbf)” & “Detected unrecognized USB driver (\Driver\vl810filter)” – There are 8-12 of these events each time it occurs. See screenshot #1

    NoMachine Logs

    • See attached

    This has persisted over more than one OS reinstall and many NoMachine upgrades.  It’s currently running the latest build as it updated 2 days ago.

    Any suggestions?  Thanks

    Attachments:
    #15879
    AvatarGiorgi-G.
    Contributor

    Hello,

    As I see you have two problematic issues – one is with NoMachine USB sharing driver (nxusbf.sys) and another one is with VIA Labs VL810 USB 3 Hub driver (vl810filter.sys). Maybe they are correlated somehow.

    For resolve this I can offer few things to do

    1. Update driver for V810 controller driver
    2. Try to disconnect this hub (if possible) from your machine and check again
    3. Try to disable USB sharing of NoMachine – https://www.nomachine.com/TR01N06385

    Additionally want to say that the current version 5.3 still has an old version of drivers for USB sharing. We are aware that these drivers may cause issues with some operating systems and hardware. We will provide an up-to-date version of USB drivers with the incoming v. 6 (which should be released soon). Once available, we expect that upgrading to v. 6 will help to solve also your issue.

    Regards.

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