On Friday 03 August 2018 12:54:56 andre_debian@... wrote: > On Friday 03 August 2018 11:49:14 Slávek Banko wrote: > > Dne pá 3. srpna 2018 andre_debian@... napsal(a): > > > Since I have reinstalled a Debian on another pc, > > > when I click in the Trinity menu, configuration, network, > > > I receive this graphic message : > > > "The configuration can not be loaded, > > > an unexpected error occured". > > > The network works fine, the network card is recognised, > > > on enp0s25. > > > How to obtain an correct answer from the configuration network ? > > > (as before, capacity to configure the network graphically). > > Please try to install the net-tools package : > "net-tools" was already installed, I reinstalled the package, > and idem, same answer. I try to launch network-admin in konsole mode, root and user, and below, the answer : "(network-admin:2736): Liboobs-WARNING **: There was an unknown error communicating with the backends: Failed to execute program org.freedesktop.SystemToolsBackends: Permission denied". Thanks, André