Well as I've tried with the root user it should be the same, but I have tried other things as well :
1- with a new user, which has by default all KDE services started, no problem. 2- with my normal user, with every KDE services started : a- with a new ~/.kde/share/config, the problem is there b- with a new ~/.kde, no problem -- High cpu load with newest KDE https://launchpad.net/bugs/66232 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs