I can give you more information. This is the URL: http://www.videofolie.com/voir.php?nom=fast.mpeg&visite=site
I have attached my about:plugins page and this is the log when I start firefox from a console: [EMAIL PROTECTED]:~$ firefox ** Message: NP_Initialize ** Message: totem_plugin_new_instance totemGMPPlugin ctor [0x931fcd0] mode 1 mime type: video/x-ms-asf-plugin argv[0] type video/x-ms-asf-plugin argv[1] pluginspage http://www.microsoft.com/Windows/Downloads/Contents/Products/MediaPlayer/ argv[2] src http://www.videogag.org/qppughb/pubs/fast.mpeg argv[3] name player argv[4] autostart 0 argv[5] showcontrols 1 argv[6] showdisplay 0 argv[7] showstatusbar 1 argv[8] animationatstart 1 argv[9] transparentatstart 0 argv[10] allowchangedisplaysize 1 argv[11] autosize 1 argv[12] displaysize 0 argv[13] enablecontextmenu 0 argv[14] windowless 1 argv[15] enablefullscreencontrols 0 argv[16] height 314 argv[17] width 352 ** Message: plugin_get_value 14 (e) ** Message: plugin_set_window ** Message: waiting for data to come ** Message: leaving plugin_set_window ** Message: plugin_set_window ** Message: existing window ** Message: resize ** Message: leaving plugin_set_window ** Message: plugin_set_window ** Message: existing window ** Message: resize ** Message: leaving plugin_set_window ** Message: plugin_new_stream ** Message: plugin_new_stream type: video/mpeg url: http://www.videogag.org/qppughb/pubs/fast.mpeg ** Attachment added: "my about:plugins page" http://librarian.launchpad.net/5912087/About%20Plugins.html -- Firefox don't play videos with totem-mozilla plugin https://launchpad.net/bugs/69552 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs