The problem went away after installing the package "firefox-3.0-gnome- support" (I guess the app list is fetched through gnome-vfs).
-- Firefox requests which application to use when "open the containing folder" option is selected https://bugs.launchpad.net/bugs/215491 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs