Home Forums Software Development dev "tobii.eyex.interaction.exe" causing massive slowdowns

This topic contains 27 replies, has 12 voices, and was last updated by Profile photo of Grant [Tobii] Grant [Tobii] 4 months, 2 weeks ago.

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    Profile photo of Benjamin Corbus
    Benjamin Corbus

    -also on high performance

    -Maximum Frequency is always 98% in resmon

    -cpu temps are unaffected by the *interaction.exe process.

    Profile photo of Austin Bond
    Austin Bond

    The CPU usage of interaction.exe never goes above 10% for me while it’s slowing down. My CPU is not throttling as it never gets above 65°C with the air cooler I have, and my power plan is always on maximum performance

    Profile photo of Grant [Tobii]
    Grant [Tobii]

    Thanks for your replies thus far guys, the issue we have here is the inability to reproduce the problem, which is making hard to diagnose.

    One thing I see we haven’t covered yet is perhaps trying to update the USB3 Chipset drivers on your respective systems.

    Also, we have a new release of the EyeX drivers available @ http://developer.tobii.com/eyex-setup/

    Try to update both these software and let me know.

    Profile photo of William

    I’d like to point out that I’m currently having these issues as well from the latest update.
    Tobii EyeX Interaction is causing some major slowdowns in windows. The start-menu is sluggish, moving windows around is sluggish, playing games is a real pain and I’m forced to execute it in order to enjoy anything. This only happened recently with the update and with the new menus in the tray and so forth.

    Before that, no issues whatsoever. This is on Windows 10 64bit, desktop computer. I can send you the DxDiag if that’s of any help as well, and possibly try and get a recording of the behaviour.

    Profile photo of David Hazell
    David Hazell

    Having the same issues windows 10 64bit

    Profile photo of Mads Tygesem
    Mads Tygesem

    had the same problem too. but when i am at the deskstop the eye seems to work just fine, but when i try to play a game, the eyex starts “plugging” itself in and out like i was pulling the cable out, but of cause im not doing that. i bought the thing hoping to be able to use it in games, but apparently that is not going to happen.

    also i have an asmedia controller on my board, but i am a pci-e card for the eye tracker


    I too believe this problem is something that started with the last update. I did not notice it before then and it was so bad I have uninstalled all the eyex software and unplugged the unit for now. Sorry I can’t be of more help but I do think it is something in the last update.

    One thing to note, and others might want to check, I us Chrome as a browser, and had the eyex extension for Chrome installed but noticed that Chrome was very slow. After removing the plugin Chrome at least returned to normal.

    Profile photo of Alan

    I also have this problem. I ended up formatting my pc due to this. Now it’s reinstalled the issue reoccurs.

    I tried disabling eyex but still get this problem.

    I’m using asmedia drivers on w10 64bit and don’t have anti virus running at the moment (waiting for disk to be delivered).

    Straight after plugging in the first time, it quickly turned into a major problem rather than interesting new tech.

    Profile photo of Ludvig Aman
    Ludvig Aman

    Hi! I just read this thread five mins ago and already found the solution!
    Here’s how I solved it!

    1. Open Explorer and go to the installation folder of EyeX
    – C:\Program Files (x86)\Tobii\Tobii EyeX Interaction

    2. Open “Tobii.EyeX.Interaction.exe.config”
    2. On line 69, change the line from this:

    <maximumFileSize value=”1MB”/>

    to this:

    <maximumFileSize value=”50MB”/>

    Save & Exit!

    Profile photo of Ludvig Aman
    Ludvig Aman

    Doing the same thing with “Tobii.EyeX.Interaction.Hub.exe.config” speeds up even further, it seems like the problem is that the logs keep getting filled and then overload the system while trying to write to a file that has a size limit. I’m not good at all with telling what’s wrong, but that’s my best guess.


    Since the log files contains tons of lines saying “Access Denied”, changing so that the .hub.exe & .Interaction.exe, runs as administrator, seems to solve the log problem.

    Profile photo of Grant [Tobii]
    Grant [Tobii]

    Hi @luviagama,

    Thank you for your tip! We have identified a source of the issue and shall integrate the fix in a forthcoming release.

    In the meantime, have any of the users experiencing this issue still facing the problem following Ludvig’s advice?

    Profile photo of Jun Kit Pang
    Jun Kit Pang

    Hi, I too have the same problem where my computer will slow down with Tobiieyetracking software running in the background. I also cant seem to find <maximumFileSize value=”1MB”/> in my “Tobii.EyeX.Interaction.exe.config”. What could I do to resolve this. My computer will only run back to normal when i close the software. I am using the Acer LCD monitor Z301CT. It came with a TobiiEye Tracking.
    Windows 10 Home
    16GB Ram
    64 bit
    Intel core i7-6700HQ 2.60GHZ
    Nvidia GTX 970m
    Intel HD Graphics 530

    Profile photo of Grant [Tobii]
    Grant [Tobii]

    Hi @pangjunkita, firstly can you kindly confirm you are running the latest version of the Tobii Eye Tracking Core software which as of September 2017 is v2.10.0

    I was able to find the on line 51 of the C:\Program Files (x86)\Tobii\Tobii EyeX Interaction. Perhaps you can post the contents of this file as seen on your system.

    That being said, the slowdown should have been resolved in this later version, so please also try to disable any firewall or antivirus software running on the system in case that may be affecting performance.

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