I guess the best fix for now should be to revert to KDE 3.5.1 from maverick release
Commands: (untested)
sudo ppa-purge ppa:kubuntu-ppa/ppa sudo aptitude install kubuntu-desktop
Not sure if you need the latter, but it will not hurt and might reinstall needed packages that have been removed
Good luck!
I guess the best fix for now should be to revert to KDE 3.5.1 from maverick release
Commands: (untested)
sudo ppa-purge ppa:kubuntu-ppa/ppa
sudo aptitude install kubuntu-desktop
Not sure if you need the latter, but it will not hurt and might reinstall needed packages that have been removed
Good luck!