The root cause is already described: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837074
** Bug watch added: Debian Bug tracker #837074 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837074 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1633964 Title: synaptic cannot write config file in apt.conf.d To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1633964/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs