<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Sorry, don't use KDE. I would look for the "default applications" or "preferred applications" settings of KDE. Also look at the helper applications settings in thunderbird (assuming it has those like mozilla did). Matt Art Alexion wrote: <blockquote cite="mid43340193.6060704@verizon.net" type="cite"> <pre wrap="">Matt Patterson wrote: </pre> <blockquote type="cite"> <pre wrap="">I have had the same problem, and I almost wrote a script to fix it, but someone else beat me to it: <a class="moz-txt-link-freetext" href="http://ubuntuforums.org/archive/index.php/t-18175.html">http://ubuntuforums.org/archive/index.php/t-18175.html</a> Matt August Karlstrom wrote: </pre> <blockquote type="cite"> <pre wrap="">Hi all, When I click on a `mailto' link in Firefox and Thunderbird is not running it works as expected, but when Thunderbird is already running a dialog window entitled "Choose User Profile" pops up. Has anyone experienced this problem? How do I solve it? Regards, August </pre> </blockquote> <pre wrap=""> </pre> </blockquote> <pre wrap="">How about the opposite problem? in Gnome, clicking a url in Thunderbird opened a tab in Firefox. In KDE, nothing happens, whether Firefox is running or not (there is some disk activity with no apparent result). </pre> </blockquote> </body> </html>