It is related to bug 670788 Updating KDE 4.5.1 -> 4.5.3 in Kubuntu 10.10 requires removal of necessary packages: it happens if you proceed with the update, which automatically removes the shown packages and then restart Kubuntu.
It is related to bug 670788 Updating KDE 4.5.1 -> 4.5.3 in Kubuntu 10.10 requires removal of necessary packages: it happens if you proceed with the update, which automatically removes the shown packages and then restart Kubuntu.