Hi; It is now working like a charm. Wish someone would add this info to zenity help or FAQ. "Comment out the line which has 'requiretty' on it in the /etc/sudoers file and your problem will go away." > Hi; > > Trying to get zenity to work as a substitute for gksudo. It won't when > launched from a desktop launcher or nautilus script. (For details either > see an earlier post from me, or ask and I will re-post the details) A week later I have the answer quoted above from the list here. See the following thread from this Fedora list. From: Edward Diener <eldiener@xxxxxxxxxxxxxx> To: fedora-list@xxxxxxxxxx Subject: Re: Using 'sudo' in desktop launchers on FC6 Date: Sat, 16 Dec 2006 09:32:12 -0500 -- Regards Bill