Thank you for your bug report, could you give the output of those commands?
$ which simple-scan $ ldd -r /usr/bin/simple-scan $ ls -r /usr/local the 'error while loading shared libraries: libcolord.so.1' error on the upstream report suggests an issue created by a leftover local installation ** Changed in: simple-scan (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to simple-scan in Ubuntu. https://bugs.launchpad.net/bugs/1869522 Title: Simple Scan doesn't work Status in simple-scan package in Ubuntu: Incomplete Bug description: The latest version of Simple Scan released for Ubuntu 18.04 LTS does not work. Version 3.28.0-0ubuntu1 is installed. When I click to launch it nothing happens. I initially reported the bug against Simple Scan, but they said it was a problem with the Ubuntu 18.04 LTS distribution. https://gitlab.gnome.org/GNOME/simple-scan/-/issues/159 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-software 3.28.1-0ubuntu4.18.04.14 ProcVersionSignature: Ubuntu 4.15.0-91.92-generic 4.15.18 Uname: Linux 4.15.0-91-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.12 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sat Mar 28 15:29:05 2020 ExecutablePath: /usr/bin/gnome-software InstallationDate: Installed on 2014-08-08 (2059 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) InstalledPlugins: gnome-software-plugin-flatpak N/A gnome-software-plugin-limba N/A gnome-software-plugin-snap 3.28.1-0ubuntu4.18.04.14 ProcEnviron: XDG_RUNTIME_DIR=<set> SHELL=/bin/bash PATH=(custom, no user) LANG=en_US.UTF-8 SourcePackage: gnome-software UpgradeStatus: Upgraded to bionic on 2020-01-05 (82 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/simple-scan/+bug/1869522/+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