Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/ui/gtk/appdetailsview.py", line 190, in _on_cache_ready
    self.show_app(self.app)
  File "/usr/share/software-center/softwarecenter/ui/gtk/appdetailsview_gtk.py", line 1542, in show_app
    self._update_minimal(self.app_details)
  File "/usr/share/software-center/softwarecenter/ui/gtk/appdetailsview_gtk.py", line 1406, in _update_minimal
    self._configure_where_is_it()
  File "/usr/share/software-center/softwarecenter/ui/gtk/appdetailsview_gtk.py", line 1501, in _configure_where_is_it
    where = searcher.get_main_menu_path(desktop_file)
  File "/usr/share/software-center/softwarecenter/utils.py", line 560, in get_main_menu_path
    os.path.basename(desktop_file))
  File "/usr/share/software-center/softwarecenter/utils.py", line 528, in _search_gmenu_dir
    for item in dirlist[-1].get_contents():
AttributeError: 'NoneType' object has no attribute 'get_contents'