I reinstalled the /var/cache/apt/archives/kdelibs4c2a_4%3a3.5.8-0ubuntu3.1_i386.deb package recently. Now it works. Sorry for the noise.
I reinstalled the /var/cache/ apt/archives/ kdelibs4c2a_ 4%3a3.5. 8-0ubuntu3. 1_i386. deb package recently. Now it works. Sorry for the noise.