Is your /usr/bin/kdesu a link to kdesudo ? And if not, what if you start "kdesudo kate" ? Also can you copy your /etc/sudoers here please ? ;) -- kdesu on gutsy hangs https://bugs.launchpad.net/bugs/144397 You received this bug notification because you are a member of Kubuntu Team, which is a bug contact for kdebase in ubuntu.