That backtrace is not really useful. What do you call "install gstreamer0.10"? What package did you install? rhythmbox does use gstreamer0.10 to dapper so it Depends on it, there is no way to have it installed without gstreamer0.10, what did you have installed before?
-- After installing gstreamer0.10 rythmbox isn't usable https://launchpad.net/bugs/54807 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
