Originally Posted by CrashedAgain
This is surprising, since kpackage uses apt to download then both kpackage and apt use dpkg to do the actual install. The advantage of using apt is that it downloads &/or updates dependencies. If you download then install the downloaded package with either kpackage or dpkg you must take care of dependencies manually.
Almost alway, if there is a problem with apt it is not apt's doing, it can usually be traced back to a broken package. This is why *cough* kanotix *cough* seems so much better, there are more broken /poorly installed packages in Knoppix. Like the missing file in frozen-bubble=data, etc.