Install libpolkit-qt5-1-1 by entering the following commands in the terminal:
sudo apt update sudo apt install libpolkit-qt5-1-1
Description:
PolicyKit-qt5-1 library
PolicyKit is an application-level toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes. . It is a framework for centralizing the decision making process with respect to granting access to privileged operations (like calling the HAL Mount() method) for unprivileged (desktop) applications. . libpolkit-qt5-1 provides convenience classes and methods for Qt/KDE applications that want to use PolicyKit. . This package contains the files necessary for running applications that use the libpolkit-qt5-1 library.
Homepage: https://projects.kde.org/projects/kdesupport/polkit-qt-1
Version: 0.112.0-5
Section: universe/libs