https://devzone.nordicsemi.com/f/nordic-q-a/52442/i-cannot-open-the-nrf-connect-for-desktop3-2-0-for-linuxDears, I have the nRF52840 Dongle, according to the user guide, I download the nRF Connect for Desktop for Linux version(named xxx.AppImage), and my linux pc is ubuntu, login desktop with root user. But nothing happened when I double click the AppImageen-USTelligent Community 13Tue, 24 Sep 2019 02:07:32 GMThttps://devzone.nordicsemi.com/thread/211396?ContentTypeID=1Tue, 24 Sep 2019 02:07:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c2540a8-f1c3-4c75-a98e-977bc6b724b0kevinlei<p>Thank you very very much, I can normally use the tool without any problem after installing the udev.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/211249?ContentTypeID=1Mon, 23 Sep 2019 12:23:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:141c68bf-cfd9-47b2-9419-13a6fc05f8c7Vidar Berg<p>Hi,</p> <p>I&#39;m not sure why you can&#39;t run it as root, but I think it&#39;s better to give your user permission to ACMx. You may use&nbsp;<a href="https://github.com/NordicSemiconductor/nrf-udev">nRF-udev</a>&nbsp;for this.&nbsp;</p><div style="clear:both;"></div>