Dave, thanks for posting this. I really appreciate when someone documents his travails for me to benefit from them. just another xubuntu user <div class="gmail_quote">On Thu, Jun 18, 2009 at 6:53 AM, dave selby <<a href="mailto:dave6502@googlemail.com">dave6502@googlemail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">After much playing & googleing, got it solved, edited /etc/PolicyKit/PolicyKit.conf and added a modification, </blockquote></div>