news: i have installed add-on gstreamer plugins from the bad set and gstreamer plugins from the ugly set and the problem is resolved. now i'have uninstalled this plugins too but the problem is not presented. i think this information can help you. in attachment the screen of packet manager.
** Attachment added: "plugins to install" https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/1187007/+attachment/3695677/+files/add-on.jpg -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gstreamer0.10 in Ubuntu. https://bugs.launchpad.net/bugs/1187007 Title: Error on open a musical file from the library with Rhythmbox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/1187007/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
