Remember to clear the cache after installing the new qt4-x11: rm -r ~/.kde/cache-$HOSTNAME/kpc/* and either log out/in or disable/re-enable desktop effects to see the effect of the update.
@Jithin KDE 4.2.3 is available from another PPA than the one you mention: see http://www.kubuntu.org/news/kde-4.2.3
Remember to clear the cache after installing the new qt4-x11: cache-$ HOSTNAME/ kpc/*
rm -r ~/.kde/
and either log out/in or disable/re-enable desktop effects to see the effect of the update.
@Jithin www.kubuntu. org/news/ kde-4.2. 3
KDE 4.2.3 is available from another PPA than the one you mention: see http://