Found finally a solution: https://help.ubuntu.com/community/xrdp
I propose to add this to the package to be able to solve it. This part was the Key: Next, create a polkit configuration file: sudo nano /etc/polkit-1/localauthority.conf.d/02-allow-colord.conf and input inside it: polkit.addRule(function(action, subject) { if ((action.id == “org.freedesktop.color-manager.create-device” || action.id == “org.freedesktop.color-manager.create-profile” || action.id == “org.freedesktop.color-manager.delete-device” || action.id == “org.freedesktop.color-manager.delete-profile” || action.id == “org.freedesktop.color-manager.modify-device” || action.id == “org.freedesktop.color-manager.modify-profile”) && subject.isInGroup(“{group}”)) { return polkit.Result.YES; } }); Finally, restart xrdp and you should be able to connect: sudo /etc/init.d/xrdp restart -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to policykit-1-gnome in Ubuntu. https://bugs.launchpad.net/bugs/1882258 Title: XRDP to Ubuntu 19.10 request many popup dialog for creating a colorprofile Status in policykit-1-gnome package in Ubuntu: Incomplete Bug description: While searching abougt a solution I found this Blogpost which was able to help me in this case: https://c-nergy.be/blog/?p=12073 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1-gnome/+bug/1882258/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp