This is affect me also with Ubuntu 10.04 normal desktop just choosing System -> Prefs -> Ubuntu One then it crashes out with this error.
-- ubuntuone-preferences crashed with IOError in __init__() https://bugs.launchpad.net/bugs/554446 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs