On Feb 20, 2011, at 9:25, Paul Cartwright <paul(a)pcartwright.com> wrote:
in a super-user terminal I get this:
# synaptic
Invalid MIT-MAGIC-COOKIE-1 key
(synaptic:19493): Gtk-WARNING **: cannot open display: :1.0
Normal.
in a user terminal I get this:
$ synaptic
bash: synaptic: command not found
Also normal.
from the debian menu, clicking synaptic does nothing.
Can you check if you have kdesu or kdesudo from trinity installed?
Also, if you have gksu installed?