I am having the same problem on Gutsy, here is a thread I started on ubuntuforums and it includes a screenshot.
http://ubuntuforums.org/showthread.php?t=659131 -- Error while connecting to cups upon live-cd start https://bugs.launchpad.net/bugs/135054 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
