I wanted to install the KDE screensavers on my recent Knoppix HD install:

Code:
apt-get install kscreensaver
Reading Package Lists... Done
Building Dependency Tree... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.

Since you only requested a single operation it is extremely likely that
the package is simply not installable and a bug report against
that package should be filed.
The following information may help to resolve the situation:

Sorry, but the following packages have unmet dependencies:
  kscreensaver: Depends: kdelibs3 (>= 4:2.2.2-1) but it is not going to be installed
E: Sorry, broken packages
It's always the same. I get this damn kdelibs3 (>= 4:2.2.2-1) error all the time no matter what KDE app I want to install (in fact, that is *the* annoyance number 1 in Knoppix). Please help!