ADL: Error in autodock 4.2

Dương Trịnh Ngọc ngocduong2712 at
Sat Feb 15 19:03:16 PST 2014

Recently, i have started to learn how to use autodock.
I am trying to run autodock 4.2, following the tutorial: "Using AutoDock 4
and  AutoDock Vina with
AutoDockTools: A Tutorial" (written by Ruth Huey, Garrett M. Morris and
Stefano Forli, 2012)
I have a problem in exercise 6: starting auto grid 4.
This is the message i received in python shell:

IDLE 1.2.2      ==== No Subprocess ====
>>> adding gasteiger charges to  hsg1
ERROR *********************************************
Traceback (most recent call last):
  File "C:\Program
Files\MGLTools-1.5.6\lib\site-packages\ViewerFramework\", line 898, in
    result = command( *args, **kw )
  File "C:\Program
line 964, in doit
    ps = subprocess.Popen(args)
  File "C:\Program Files\MGLTools-1.5.6\lib\", line 594, in
    errread, errwrite)
  File "C:\Program Files\MGLTools-1.5.6\lib\", line 816, in
WindowsError: [Error 2] The system cannot find the file specified

Please tell me how to correct it
By the way, i run the window version of autodock and in exercise 5, when i
output file *.gpf file, i only received a file hsg1 (type "file", not "gpf
file"), so i had to rename it hsg1.gpf to run autogrid. Everything else is

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