after updating now with cupsys_1.1.99.b1.r4929-0ubuntu8_i386.deb cupsys-client_1.1.99.b1.r4929-0ubuntu8_i386.deb i have the same error from kprinter (the conection with CUPS fail), if i go to http://localhost:631 cups work find. -- kdeprint can not contact cups https://launchpad.net/malone/bugs/33173