I have the same problem, my windows network has about 30 hosts. Here's my full report.
** Attachment added: "full report of crash" http://librarian.launchpad.net/6494133/_usr_bin_nautilus.1000.crash -- Crash when try to browse a windows network https://launchpad.net/bugs/7997 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs