Hello guys,
i'm running linux debian stable and i had troubles running gufw, i solved the issue by installing the package polkit-mate and then add to the startup programms the application: /usr/libexec/polkit-mate-authentication-agent-1. i am using xfce4, here is the output of dpkg --status apt: root@saetchmo:~# dpkg --status apt Package: apt Status: install ok installed Priority: required Section: admin Installed-Size: 4232 Maintainer: APT Development Team <de...@lists.debian.org> Architecture: amd64 Version: 2.6.1 Replaces: apt-transport-https (<< 1.5~alpha4~), apt-utils (<< 1.3~exp2~) Provides: apt-transport-https (= 2.6.1) Depends: adduser, gpgv | gpgv2 | gpgv1, libapt-pkg6.0 (>= 2.6.1), debian-archive-keyring, libc6 (>= 2.34), libgcc-s1 (>= 3.0), libgnutls30 (>= 3.7.5), libseccomp2 (>= 2.4.2), libstdc++6 (>= 11), libsystemd0 Recommends: ca-certificates Suggests: apt-doc, aptitude | synaptic | wajig, dpkg-dev (>= 1.17.2), gnupg | gnupg2 | gnupg1, powermgmt-base Breaks: apt-transport-https (<< 1.5~alpha4~), apt-utils (<< 1.3~exp2~), aptitude (<< 0.8.10) Conffiles: /etc/apt/apt.conf.d/01autoremove 879455db9b938ce287b23383629aedce /etc/cron.daily/apt-compat 1400ab07a4a2905b04c33e3e93d42b7b /etc/logrotate.d/apt 179f2ed4f85cbaca12fa3d69c2a4a1c3 Description: commandline package manager This package provides commandline tools for searching and managing as well as querying information about packages as a low-level access to all features of the libapt-pkg library. . These include: * apt-get for retrieval of packages and information about them from authenticated sources and for installation, upgrade and removal of packages together with their dependencies * apt-cache for querying available information about installed as well as installable packages * apt-cdrom to use removable media as a source for packages * apt-config as an interface to the configuration settings * apt-key as an interface to manage authentication keys