Mine

aaron@Jean-Pierre:~$ gksu /usr/bin/ndisgtk
  File "/usr/bin/ndisgtk", line 309, in <module>
    NdisGTK()
  File "/usr/bin/ndisgtk", line 111, in __init__
    self.setup_driver_list()
  File "/usr/bin/ndisgtk", line 140, in setup_driver_list
    self.get_driver_list()
  File "/usr/bin/ndisgtk", line 168, in get_driver_list
    driver_name = p.search(line).group()[:-1]   # strip trailing space
AttributeError: 'NoneType' object has no attribute 'group'