I have this problem on Linux Mint 19.1, which is based on Ubuntu 18.04.1 (although admittedly I am running the alpha of Mint 19.2).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061554 Title: assertion failure `trap != NULL' displayed by all GTK3 software To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1061554/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs