On Wed, Mar 8, 2017 at 1:24 AM, <schneid...@law.byu.edu> wrote: > > Every attempt to make Python 3.6.0 or 3.6.1rc1 to run on Windows 10 > has resulted in the error message shown below. I was running Python > 3.5.2 successfully and wanted to upgrade. > > C:\Python36-32>python > Fatal Python error: Py_Initialize: unable to load the file system codec > ModuleNotFoundError: No module named 'encodings'
You probably have the environment variable PYTHONHOME pointing at some other Python installation, or a previous installation. Permanently defining PYTHONHOME is wrong. Unset this value in the environment-variable editor and open a new command prompt. -- https://mail.python.org/mailman/listinfo/python-list