Can it be that your dconf database is corrupt or with incorrect file permissions? You may want to test by doing:
cd ~/.config/dconf mv user user.bak and relogin. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781832 Title: gnome tweak tool kills session when changing fonts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1781832/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs