Nanny does not start

Ubuntu 11.10
Nanny 2.31.1-0ubuntu4

Expected result: Nanny starts, GTK window open with options etc
What happened instead:

In terminal nanny-admin-console gives this error:

(nanny-admin-console:4285): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(nanny-admin-console:4285): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(nanny-admin-console:4285): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(nanny-admin-console:4285): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
/usr/lib/python2.7/dist-packages/nanny/client/common/Utils.py:33: GtkWarning: GtkSpinButton: setting an adjustment with non-zero page size is deprecated
  object.xml.add_from_file (main_ui_filename)
/usr/lib/python2.7/dist-packages/nanny/client/common/Utils.py:54: FutureWarning: This search is broken in 1.3 and earlier, and will be fixed in a future version. If you rely on the current behaviour, change it to './/object'
  for obj in xml.findall ('//object'):
uid: 1000, name: jgjones, user_name: Joseph Gwynne-Jones

and exits.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nanny 2.31.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Wed Nov 9 15:36:16 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: nanny
UpgradeStatus: No upgrade log present (probably fresh install)