Thanks for the hint, Stroller. Rebuilding the Launch Services directory didn't fix the problem, though. Where is the best place to get a listing of all these arcane terminal commands and their usage, though? And I'm still accepting hints from anyone who might know how to remedy this problem.. Rick Gordon ------------------ On 4/28/05 at 4:19 PM +0100, Stroller wrote in a message entitled "Re: [X4U] Mailto Protocol Won't Register": >On Apr 28, 2005, at 9:54 am, Rick Gordon wrote: >... >>I have had Eudora registered as my email protocol for a long time. This evening, mailto links from Firefox no longer opened into Eudora (or any other application). I went to reset my mailto protocol using the More Internet preference pane, but it would not accept Eudora as a choice. (Eudora is functioning normally, as far as I can tell.) >> >>I tried setting it both in Internet Explorer and Misfox, but none of the three interfaces would accept setting it to Eudora, although it would accept setting it to other email (and non-email) applications. > >Someone's gonna come along in a moment & tell me that OBVIOUSLY the Launch Services database, doesn't store this information, but just to prove them right, can you try rebuilding it, please? > >http://www.macosxhints.com/article.php?story=20031215144430486 > >Stroller. -- ___________________________________________________ RICK GORDON EMERALD VALLEY GRAPHICS AND CONSULTING ___________________________________________________