I found this workaround: https://www.virtualbox.org/ticket/12738
~$ export LIBGL_ALWAYS_SOFTWARE=1 ~$ webbrowser-app now i can start webbrowser-app on Ubuntu 15.10 Alpha at Virtualbox 5.0 ** Bug watch added: Virtualbox Trac #12738 http://www.virtualbox.org/ticket/12738 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1302716 Title: webapp-container crashed with SIGABRT in qt_message_fatal() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/1302716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs