I just tried to reproduce this with xubuntu 20181017. I couldn't - see the attached screenshot.
One difference is that I was using amd64 and not i386. This is the error bucket: https://errors.ubuntu.com/bucket/?id=/usr/bin /gnome- software%3A6%3Ag_assertion_message%3Ag_assertion_message_expr%3Ags_plugin_loader_pending_apps_add%3Ags_plugin_loader_process_thread_cb%3Ags_plugin_loader_process_in_thread_pool_cb ** Attachment added: "leafpad.png" https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1798236/+attachment/5202142/+files/leafpad.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1798236 Title: xubuntu 18.10 daily (x86 live & installed) - [gnome-]software cannot install leafpad/gedit/software To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1798236/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs