Cannot connect to a 12.04 desktop

Cannot connect to a desktop running 12.04

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: vinagre 3.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-21.35-generic 3.0.32
Uname: Linux 3.0.0-21-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Thu Jun 21 18:09:18 2012
ExecutablePath: /usr/bin/vinagre
SourcePackage: vinagre
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
 (vino-server:1598): EggSMClient-CRITICAL **: egg_sm_client_set_mode: assertion `global_client == NULL || global_client_mode == EGG_SM_CLIENT_MODE_DISABLED' failed
 (gwibber-service:1783): libindicate-WARNING **: Menu being changed when the indicator is visible. Listeners will NOT be notified of this change.
 (gwibber:3059): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion `!g_slist_find (group, radio_button)' failed
 (gwibber:3059): Gtk-CRITICAL **: gtk_widget_show: assertion `GTK_IS_WIDGET (widget)' failed
 (gwibber:3059): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion `!g_slist_find (group, radio_button)' failed