Hello. The problem is probably the files with the settings of packages in the home directory. You have to uninstall the package with settings, look for files in this package in the home directory (partially hidden) and remove them or move them for security. Should help.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1791166 Title: Programs using the libqt5gui5 library do not start. Status in qtbase-opensource-src package in Ubuntu: Invalid Bug description: Programs using the libqt5gui5 library do not start. Running in the terminal displays the message: "VirtualBox: supR3HardenedMainGetTrustedMain: dlopen("/usr/lib/virtualbox/VirtualBox.so",) failed: libQt5Gui.so.5: cannot open shared object file: No such file or directory" or "smplayer: error while loading shared libraries: libQt5Widgets.so.5: cannot open shared object file: No such file or directory" My distribution is Ubuntu 18.04.1. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1791166/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
