Comment 46 for bug 908380

~$ dpkg -l | grep network-manager

ii network-manager 0.9.3.995+git201203081848.bba834f-0ubuntu1~mtrudel2 network management framework (daemon and userspace tools)
ii network-manager-gnome 0.9.3.995+git.20120313t141231.c89224f-0ubuntu1~mtrudel1 network management framework (GNOME frontend)

~$ dpkg -l | grep libnm

ii libnm-glib-vpn1 0.9.2.0+git201202161854.8572ecf-0ubuntu7 network management framework (GLib VPN shared library)
ii libnm-glib4 0.9.3.995+git201203081848.bba834f-0ubuntu1~mtrudel2 network management framework (GLib shared library)
ii libnm-gtk-common 0.9.2.0+git.20120126t000800.5151959-0ubuntu4 network management framework (common files for wifi and mobile)
ii libnm-gtk0 0.9.2.0+git.20120126t000800.5151959-0ubuntu4 network management framework (GNOME dialogs for wifi and mobile)
ii libnm-util2 0.9.3.995+git201203081848.bba834f-0ubuntu1~mtrudel2 network management framework (shared library)

The attached screenshoot comes up when network manager needs a password but is unable to bring up the prompt. Notice that the Connect button is greyed out.