share/apt-auth-failure.note

   1 _Name: Apt Authentication issue
   2 Priority: High
   3 Terminal: False
   4 Command: gksu -- synaptic --non-interactive --update-at-startup --hide-main-window
   5 GettextDomain: apt
   6 _Description: Problem during package list update.
   7  The package list update failed with a authentication failure.
   8  This usually happens behind a network proxy server. Please try
   9  to click on the "Run this action now" button to correct the problem or
  10  update the list manually by running Update Manager and clicking
  11  on "Check".