Jupyter Launch Error

gistfile1.txt

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:\Windows\System32>jupyter notebook
Traceback (most recent call last):
  File "C:\Users\Heather\miniconda3\Scripts\jupyter-notebook-script.py", line 6,
 in <module>
    from notebook.notebookapp import main
  File "C:\Users\Heather\miniconda3\lib\site-packages\notebook\notebookapp.py",
line 51, in <module>
    from zmq.eventloop import ioloop
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\__ini
t__.py", line 47, in <module>
    from zmq import backend
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\backe
nd\__init__.py", line 40, in <module>
    reraise(*exc_info)
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\utils
\sixcerpt.py", line 34, in reraise
    raise value
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\backe
nd\__init__.py", line 27, in <module>
    _ns = select_backend(first)
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\backe
nd\select.py", line 28, in select_backend
    mod = __import__(name, fromlist=public_api)
  File "C:\Users\Heather\AppData\Roaming\Python\Python38\site-packages\zmq\backe
nd\cython\__init__.py", line 6, in <module>
    from . import (constants, error, message, context,
ImportError: cannot import name 'constants' from partially initialized module 'z
mq.backend.cython' (most likely due to a circular import) (C:\Users\Heather\AppD
ata\Roaming\Python\Python38\site-packages\zmq\backend\cython\__init__.py)

C:\Windows\System32>