Install libdebconf-kde1 by entering the following commands in the terminal:
sudo apt update sudo apt install libdebconf-kde1
Description:
Debconf KDE GUI library
Debconf KDE is a GUI library for including Debconf frontends in Qt-based applications. Debconf is a configuration management system for Debian packages, which is used to ask questions when they are installed. This library is written in C++ and used by Apper and Muon to embed Debconf dialogs. . This package contains the Debconf KDE library
Homepage: http://projects.kde.org/projects/extragear/sysadmin/libdebconf-kde
Version: 1.0.3-0ubuntu1
Section: universe/libs