Gnomenu does not open when I click on button in Ubuntu 10.04.3 LTS

[Kevin B]

GnoMenu.py run-in-window out is bellow::::::

shaping window
Traceback (most recent call last):
  File "/usr/lib/gnomenu/GnoMenu.py", line 246, in map_event
    self.hwg = Main_Menu(self.HideMenu)
  File "/usr/lib/gnomenu/Menu_Main.py", line 88, in __init__
    self.setup()
  File "/usr/lib/gnomenu/Menu_Main.py", line 340, in setup
    self.PGL = IconProgramList()
  File "/usr/lib/gnomenu/Menu_Widgets.py", line 1845, in __init__
    self.XDG = XDGMenu()
  File "/usr/lib/gnomenu/Menu_Items.py", line 113, in __init__
    self.Restart(item)
  File "/usr/lib/gnomenu/Menu_Items.py", line 162, in Restart
    self.ConstructMenu()
  File "/usr/lib/gnomenu/Menu_Items.py", line 349, in ConstructMenu
    self.addtomenu(app.get_name(),self.IconFactory.getgicon(app.get_icon()),1,"",app.get_executable())
  File "/usr/lib/gnomenu/Menu_Items.py", line 186, in addtomenu
    self.L_Icons.append(self.IconFactory.geticonfile(icons))
  File "/usr/lib/gnomenu/IconFactory.py", line 121, in geticonfile
    pix = self.gtkicontheme.load_icon(icon,Globals.PG_iconsize,gtk.ICON_LOOKUP_FORCE_SIZE)
glib.GError: Unrecognized image file format
cleanup
Traceback (most recent call last):
  File "/usr/lib/gnomenu/GnoMenu.py", line 379, in cleanup
    self.hwg.destroy()
AttributeError: 'NoneType' object has no attribute 'destroy'