On Tue, Apr 21, 2009 at 4:11 AM, Antonio <projektname.toni at googlemail.com> wrote: > I only installed libopal-dev with its dependencies. > What can I do? Which version of Ubuntu are you using? If it is jaunty then you should install libopal3.6.1-dev. It is possible that libopal-dev is left installed while doing upgrade. Onkar