Hi all, Horde : 3.2.1 imp-h3-4.2 User using : MAC OS: 10.3.9 Safari: 1.3.2 Ie:5.2.3 If the user can't access the compose new message window or any other action that request a second page to open. We tried enable the java debuger and no error was displayed. We also check and the user did not have pop up blocker enabled. Regards Cedric