Be sure to remove the modemmanager package on Ubuntu (and reboot): sudo apt-get purge modemmanager If you are running Ubuntu 64-bit, install the 32-bit libraries: sudo apt-get install ia32-libs If you click Open and the device cannot be opened on Ubuntu, add your user account to the "dialout" group: sudo usermod -a -G dialout $USER To create a shortcut for DVAPTool on your desktop, copy the file DVAPTool.desktop from the DVTool folder to your desktop. Then edit the shortcut file and change the "Exec" line to match the location of your DVAPTool binary (not the folder). To install the multicast Bonjour daemon, run (as root): sudo tar xzPf mdns.tgz