Jupyter installed and yet can't run Jupyter notebook
<p>Having installed Jupyter using <code>pip install jupyter</code> I am getting the following error messages.</p>

<pre><code>Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.

C:\Users\J&gt;jupyter notebook
Traceback (most recent call last):
  File "c:\python27\lib\runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "c:\python27\lib\runpy.py", line 72, in _run_code
    exec code in run_globals
  File "C:\Python27\Scripts\jupyter-notebook.exe\__main__.py", line 5, in &lt;module&gt;
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 32, in &lt;module&gt;
    from zmq.eventloop import ioloop
  File "c:\python27\lib\site-packages\zmq\__init__.py", line 42, in &lt;module&gt;
    _libsodium = ctypes.cdll.LoadLibrary(bundled_sodium[0])
  File "c:\python27\lib\ctypes\__init__.py", line 443, in LoadLibrary
    return self._dlltype(name)
  File "c:\python27\lib\ctypes\__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)
WindowsError: [Error 193] %1 is not a valid Win32 application

C:\Users\J&gt;python
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec  5 2015, 20:40:30) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
&gt;&gt;&gt; quit()

C:\Users\J&gt;
</code></pre>

<p>However I do have Jupyter installed</p>

<pre><code>Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.

C:\Users\J&gt;python
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec  5 2015, 20:40:30) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
&gt;&gt;&gt; import jupyter
&gt;&gt;&gt;
</code></pre>

<p>The last time I used Windows it was XP so I am getting used to all the changes (or never got used to it at </p>