I'd been having this problem too, since I upgraded from Natty to Oneiric beta. Deleting ~/.config/ubuntuone and ~/.local/share/ubuntuone and restarting my computer seems to have sorted it out.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/858808 Title: Filesync fails with org.freedesktop.DBus.Error.UnknownMethod error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntuone-control-panel/+bug/858808/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs