Dear Antonio, you first have to install GTK+ in order to run Dia:
http://prdownloads.sourceforge.net/gimp-win/gtk%2B-2.8.18-setup-1.zip?download Please uninstall Dia first. Then install GTK+ and reinstall Dia. If this doesn't help, please provide additional information like exact version numbers and installation locations. Regards, Steffen _______________________________________________ Dia-list mailing list Dia-list@gnome.org http://mail.gnome.org/mailman/listinfo/dia-list FAQ at http://www.gnome.org/projects/dia/faq.html Main page at http://www.gnome.org/projects/dia