Hi It was a similar problem with a post by Ian McCall, I think they solved the problem, look for Ian's Posts in the mailing list, Cordialement David Garcia <div class="gmail_quote">On Wed, Aug 4, 2010 at 3:01 AM, Silvestre Jeronimo Celis Mercier <<a href="mailto:silvestre.celis-mercier.1@ulaval.ca">silvestre.celis-mercier.1@ulaval.ca</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi, I have installed ESP-r in a windows 64 Bits version. I am a beginner with ESP-r. So, I'am doing the ESP-r Cookbook_nov2008 exercices. Very helpfull! However, I can not go further than page 49 because there is alwas a bug with ESP-r when I try to creat a new surface made from existing vertices: ESP-r shuts down when a clik ''made from existing vertices'' on the menu. How to repear this bug? Tanks for help! --------------------------------------------------------------------------- Silvestre J. Celis Mercier. Candidat au doctorat en sciences de l'architecture GRAP (Groupe de recherche en ambiances physiques) École d'architecture, Université Laval 1, côte de la Fabrique Québec, (Québec) Canada, G1K 7P4 Téléphone: (418) 656-2131 poste 7921 Télécopieur: (418) 656-2785 Courriel: <a href="mailto:silvestre.celis-mercier.1@ulaval.ca">silvestre.celis-mercier.1@ulaval.ca</a> _______________________________________________ esp-r mailing list <a href="mailto:esp-r@lists.strath.ac.uk">esp-r@lists.strath.ac.uk</a> <a href="http://lists.strath.ac.uk/mailman/listinfo/esp-r" target="_blank">http://lists.strath.ac.uk/mailman/listinfo/esp-r</a> </blockquote></div> -- David GARCIA SANCHEZ ------------------------------------------------------------ Département Systèmes Énergétiques Environnement Ecole des Mines de Nantes 4, Rue Alfred Kastler 44300 Nantes France ------------------------------------------------------------ Email: <a href="mailto:david.garcia-sanchez@emn.fr">david.garcia-sanchez@emn.fr</a> Tel: +33 (0) 2 51 85 82 14 Mobile: +33 (0) 6 78 15 08 09 Fax: +33 (0) 2 51 85 82 99 ------------------------------------------------------------