Uninstalling kdesudo actually helped, thanks! As a data point sudo -u skype skype didn't work with the X authorisation error. I don't understand how it is all setup but I am glad I got the old behaviour back. Thanks again!
-- Starting applications as a different non-root user (kdesu -u) does not work after upgrade to Gutsy https://bugs.launchpad.net/bugs/140793 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