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I have been asked by a member of the DisplayLink support team, a tech solutions provider for (among things) USB-dock based graphics display, hot desking and other peripheral support, to share information with Malwarebytes, its users and, specifically, the Malwarebytes support team, regarding issues/conflicts that I experienced between the latest Malwarebytes for Windows software and the latest DisplayLink for Windows drivers and software; as well as to share the solution/steps that I came up with and discovered to solve my issue.  I note that I am currently (i) a Malwarebytes premium subscriber (running Malwarebytes for Windows 4.0.4.49), and (ii) a DisplayLink software user (specifically, "DisplayLink USB Graphics Software for Windows 9.3 M0 drivers") with a USB 3.0 "Plugable UD-3900 Dual Display Universal Docking Station".  The specific request from DisplayLink appears in its forums (in a response to my own "How To"-type posting) here (and/or at the top of page 2):  https://displaylink.org/forum/showthread.php?t=64896&goto=newpost; and, as evidenced by the posting itself, a member of DisplayLink's tech support team (named Alban) would like to work together with Malwarebytes' team on fixing the below-described issue.

The material substance of both my issue and the posting that I left in the DisplayLink forums is cut and paste hereinbelow (here’s the original link, with my post at the bottom of “page 1”: https://displaylink.org/forum/showthread.php?t=64896)

Quote

…my ethernet connection--running DisplayLink USB Graphics Software for Windows 9.3 M0 drivers through my Plugable UD-3900 USB 3.0 dock on Windows 10--was constantly dropping, disabling itself and rendering my machine unable to connect to the internet (even Wifi using the built-in adapter).  As a current premium subscriber of Malwarebytes 4 (current version is Malwarebytes 4.04.49), I saw this posting and, although dated, took a chance on uninstalling Malwarebytes (and reinstalling; see below) and...so far...I have had my ethernet adapter in my dock working all day. Here are the steps:

(1)  Completely and totally uninstall malwarebytes using the latest mb-support and/or mb-clean tools
(2)  by default, Windows Security/Defender Antivirus will eventually kick-in since you (presumably) have no other antivirus installed at this time
(3)  exempt/make exceptions in the Windows Defender Antivirus settings for all of the various DisplayLink software packages that you will use below to clean and re-install DisplayLink software, including, without limitation, making exceptions in the "Exploit Protection" settings (under App & Browser Control)
(4)  shutdown
(5)  unplug the dock from the computer
(6)  reboot
(7)  run the latest DisplayLink Installation Cleaner (let it finish) to completely remove all traces of DisplayLink from your machine
(8)  reboot (do not yet plug in your USB 3.0 dock)
(9)  Install the latest DisplayLink USB Graphics Software for Windows
(10)  Shutdown
(11)  Plug your USB dock into your computer
(12)  reboot
(13)  IF you have a Plugable Dock like me, check Plugable's website to see if there is a firmware package update for your dock 
(addition:  Feel free to check other manufacturers' websites for other docks and firmware updates). There was for mine, so I ran it (N.B., prior to uninstalling Malwarebytes and taking the within steps, this firmware would not update, so I determined that firmware was not the original culprit).
(14)  shutdown
(15)  physically unplug the power supply adapter from your dock for at least 30 seconds.
(16)  plug power supply back into the dock
(17)  reboot.

The above worked for me--and, again, so far...

Whether it works for you may be a different story, but I felt compelled to contribute to this forum since I rely on DisplayLink so heavily in my daily work environment.

ADDITION TO THE ABOVE:  (18)  Reinstall Malwarebytes.  As an added measure, and whether or not this is superfluous or necessary is totally up to you:  leave the "enable self-protection module early start" option (in advanced security settings) unchecked, as enabling this setting specifically "...changes the order of services and drivers associated with your computer's startup" (see the MB for Windows User Guide here: https://support.malwarebytes.com/docs/DOC-3564), and you want (or, at least I want) the DisplayLink "dlcdcncm" ethernet adapter driver for the USB dock loaded early on in the PC's startup process so that the internet (using ethernet, not WiFi) works right away at the Windows login screen (and during your boot process).

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Greetings,

Thank you for reporting this.  I will be sure to make a note of it for the Product team for review and analysis and hopefully it will be corrected in a future update if possible.

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