Traceback (most recent call last):
  File "/usr/bin/restricted-manager", line 42, in <module>
    rm = RestrictedManager()
  File "/usr/lib/python2.5/site-packages/RestrictedManager/RestrictedManagerGtk.py", line 53, in __init__
    RestrictedManagerCommon.__init__(self,args,opts)
  File "/usr/lib/python2.5/site-packages/RestrictedManager/RestrictedManagerCommon.py", line 126, in __init__
    self.runme_as_root(sys.argv[1:])
  File "/usr/lib/python2.5/site-packages/RestrictedManager/RestrictedManagerGtk.py", line 160, in runme_as_root
    os.execvp("gksu", argv)
  File "os.py", line 354, in execvp
    _execvpe(file, args)
  File "os.py", line 392, in _execvpe
    func(fullname, *argrest)
OSError: [Errno 2] No such file or directory