Fatal Error when starting jupyter notebook

Question

Issue: I get fatal error when I run jupyter notebook in cmd.exe as administratortor

• in: python -m pip install jupyter
• out: success
• in: jupyter notebook
• out: Fatal error in launcher: Unable to create process using '"'

I've tried the following, but I get same fatal error when I try to launch jupyter notebook from cmd

• uninstalled jupyter and installed anadonda (https://repo.continuum.io/archive/Anaconda3-5.0.1-Windows-x86_64.exe)
• tried answer listed here but does not resolve the issue (Fatal error in launcher: Unable to create process using ""C:\Program Files (x86)\Python33\python.exe" "C:\Program Files (x86)\Python33\pip.exe"")
• ran pip3 install --upgrade pip and ran pip3 install jupyter
• ran jupyter notebook --help and I get same error

Environment

• Windows 10 Pro 64-bit version 1709 build 16299.125
• Python 3.6.4 (see sys paths in screen shot below)

screen shot of error https://www.dropbox.com/s/ai0ualjfj87uaaq/python_issue_20180127.png?dl=0

docs used:

• https://jupyter.readthedocs.io/en/latest/install.html
• https://jupyter.readthedocs.io/en/latest/running.html#running
• http://jupyter.readthedocs.io/en/latest/install.html#alternative-for-experienced-python-users-installing-jupyter-with-pip

Answer 1

What worked for me was the command python -m notebook - I did not have Anaconda installed

Answer 2

I believe you need to open Jupyter notebooks by typing jupyter notebook in the anaconda prompt, not the regular windows command prompt.