I see the exact same problem on a 12.04 system: $ lsb_release -rd
Description: Ubuntu 12.04.3 LTS Release: 12.04 $ apt-cache policy vino vino: Installed: 3.4.2-0ubuntu1.3 Candidate: 3.4.2-0ubuntu1.3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1082182 Title: (vino-server:8915): EggSMClient-CRITICAL **: egg_sm_client_set_mode: assertion `global_client == NULL || global_client_mode == EGG_SM_CLIENT_MODE_DISABLED' failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vino/+bug/1082182/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs