Patch attached.
--- __init__.py 2009-12-28 06:06:13.000000000 -0500
+++ __init__.py.new 2010-05-23 19:03:11.000000000 -0400
@@ -82,7 +82,7 @@
""" Gtk/Glade unprivileged user handler. """
cmd = ' '.join(app_args)
LOG.debug('Spawning new update-manager process via gksu.')
- return subprocess.call(['/usr/bin/gksu', '-k', '-D',
+ return subprocess.call(['/usr/bin/gksu', '-S', '-k', '-D',
get_desktop_path('update-manager.desktop'),
'--', cmd])
