Docky crashes when trying to open preferences

Binary package hint: docky

After installing docky in Lucid from the official Ubuntu repo, it crashes as soon as I try to open the preferences window:

alex@tokyo:~$ docky
[Info 15:14:19.373] Docky version: Release
[Info 15:14:19.406] Kernel version: 2.6.32.14
[Info 15:14:19.407] CLR version: 2.0.50727.1433
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.TypeInitializationException: An exception was thrown by the type initializer for Docky.ConfigurationWindow ---> GLib.GException: Error stating file '/usr/share/applications/docky.desktop': No such file or directory
  at Gnome.DesktopItem.NewFromFile (System.String file, DesktopItemLoadFlags flags) [0x00000]
  at Docky.ConfigurationWindow.get_AutoStartItem () [0x00000]
  at Docky.ConfigurationWindow.IsAutoStartEnabled () [0x00000]
  at Docky.ConfigurationWindow..ctor () [0x00000]
  at Docky.ConfigurationWindow..cctor () [0x00000]
  --- End of inner exception stack trace ---
  at Docky.Items.DockyItem.<OnGetMenuItems>m__5F (System.Object o, System.EventArgs a) [0x00000]
  at Docky.Menus.MenuItem.SendClick () [0x00000]
  at Docky.Menus.MenuItemWidget.OnButtonReleaseEvent (Gdk.EventButton evnt) [0x00000]
  at Gtk.Widget.buttonreleaseevent_cb (IntPtr widget, IntPtr evnt) [0x00000]
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at Gtk.Widget.buttonreleaseevent_cb(IntPtr widget, IntPtr evnt)
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Docky.Docky.Main(System.String[] args)
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose

ProblemType: Bug
Architecture: amd64
Date: Sun Feb 28 15:15:12 2010
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100224.1)
NonfreeKernelModules: nvidia wl
Package: docky 2.0.0-0ubuntu1
PackageArchitecture: all
ProcEnviron:
 LANG=en_AU.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-14.20-generic
SourcePackage: docky
Uname: Linux 2.6.32-14-generic x86_64