I think this worked for me on windows 10:

1) Install Linux subsystem on windows 10.
https://docs.microsoft.com/en-us/windows/wsl/install-win10
2) Install Anaconda in there just like installing it on a regular Linux.
https://conda.io/docs/user-guide/install/linux.html
3) Install openbabel using Anaconda (conda command).
https://anaconda.org/openbabel/openbabel
4) Run Jupyter notebook (an interactive python editor)
5) Import openbabel modules into Jupyter notebook.

-Tayeb

Tayeb Kakeshpour
Graduate Research Assistant
Jackson Research Group
Michigan State University
Department of Chemistry
578 S. Shaw Lane, room 535
East Lansing, MI 48824
kakes...@msu.edu



> On Jul 25, 2018, at 8:50 PM, Renee Arias <raria...@gmail.com> wrote:
> 
> Hello all,
> 
> I have downloaded Openbabel to my machine to use the Pymol Optimize Plugin. 
> But whenever I try to run it, Pymol tells me I need to install openbabel. 
> Then I try to run the plugin anyway, and I get an error message: 
> 
> Error: 1
> <type 'exceptions.NameError'> Exception in Tk callback
>   Function: <function set_minimize at 0x000000000938B588> (type: <type 
> 'function'>)
>   Args: ()
> Traceback (innermost last):
>   File "C:\Program Files\PyMOL\\PyMOL/modules\Pmw\Pmw_1_2\lib\PmwBase.py", 
> line 1747, in __call__
>     return apply(self.func, args)
>   File "C:\Users\Renee\AppData\Roaming\pymol\startup\optimize.py", line 59, 
> in set_minimize
>     minimize(selection, forcefield, method, nsteps0, conv, cutoff, cut_vdw, 
> cut_elec)
>   File "C:\Users\Renee\AppData\Roaming\pymol\startup\optimize.py", line 252, 
> in minimize
>     obconversion = ob.OBConversion()
> <type 'exceptions.NameError'>: global name 'ob' is not defined
> 
> I see that other people have had this problem, but their threads just sort of 
> stop at some point and I never see an answer. 
> 
> Thanks!
> 
> Renee
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