When trying to solve the dependence with libcurl3 there is a problem with the removal of official Ubuntu packages...
igor@mcmcc-GL553VE:~$ LANG=C sudo apt-get install libcurl3 [sudo] password for igor: Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: libboost-context1.65.1 python-cffi python-pycparser python3-cffi python3-ply python3-pycparser Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: libcurl4-gnutls-dev opera-stable slack-desktop virtualbox-5.2 The following packages will be REMOVED: cmake cmake-curses-gui cmake-qt-gui curl djvulibre-bin kde-config-whoopsie kicad libafflib0v5 libcurl4 libcurl4-openssl-dev libtsk13 pdf2djvu sleuthkit transmission-remote-gtk uget whoopsie The following NEW packages will be installed: libcurl3 libcurl4-gnutls-dev The following packages will be upgraded: opera-stable slack-desktop virtualbox-5.2 3 upgraded, 2 newly installed, 16 to remove and 68 not upgraded. Need to get 182 MB of archives. After this operation, 79.4 MB disk space will be freed. Do you want to continue? [Y/n] How to be? Are you offering to stay without them? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754294 Title: After last updated libcurl3 on libcurl4, some apps are removed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/curl/+bug/1754294/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs