Tried ti start from console/terminal: :~$ firefox
(process:1322): GLib-CRITICAL **: g_slice_set_config: assertion `sys_page_size == 0' failed Error: Access was denied while trying to open files in your profile directory. Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 9: reading configurations from ~/.fonts.conf is deprecated. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1180190 Title: Firefox after upgrade cannot load profile To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1180190/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs