Same problem here after a fresh and standard Dapper Drake install, then changing every dapper to edgy in sources.list. After all that I used "apt-get dist-upgrade" to upgrade to egdy.
-- libeel upgrade removes nautilus https://launchpad.net/bugs/51353 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
