________________________________ De : Nour <[EMAIL PROTECTED]> À : ns-users@isi.edu Envoyé le : Lundi, 1 Décembre 2008, 14h48mn 17s Objet : cygwin problem Hello All I have problem when installing NS under Cygwin, this message appears: "Package xorg-x11-bin is not present on your system. Please install it using Cygwin's setup.exe before trying to install the ns-2 distribution." Help please, how can I get this package . yours; Nour