Traceback (most recent call last):
  File "/usr/share/avant-window-navigator/awn-manager/awnLauncherEditor.py", line 172, in on_dialog_desktop_item_response
    self.desktop_entry.write()
  File "/var/lib/python-support/python2.5/xdg/IniFile.py", line 297, in write
    fp = codecs.open(filename, 'w')
  File "/usr/lib/python2.5/codecs.py", line 817, in open
    file = __builtin__.open(filename, mode, buffering)
IOError: [Errno 13] Permission denied: '/usr/share/applications/awn-manager.desktop'