Unpacking zeitgeist (from .../zeitgeist_0.9.0-1ubuntu1_all.deb) ...
Processing triggers for menu ...
dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  menu -> hicolor-icon-theme
 packages' pending triggers which are or may be unresolvable:
  libglib2.0-0: /usr/share/glib-2.0/schemas
  gconf2: /usr/share/GConf/gsettings
  gnome-menus: /usr/share/applications
  hicolor-icon-theme: /usr/share/icons/hicolor
  man-db: /usr/share/man
  desktop-file-utils: /usr/share/applications
  menu: /usr/share/menu
dpkg: error processing libglib2.0-0 (--unpack):
 triggers looping, abandoned