I've been testing our (your) server with users, apparently Quick Time no longer supports .mkv files. VLC works fine on a Mac. What's up with Apple? If this is true you might want to update your web site. Jim Ham -- Porcine Associates LLC 244 O'Connor St. Menlo Park, CA 94025 USA +1(650)326-2669 fax +1(650)326-1071