title: Can not open Jupyter Notebook. getting error " DLL load failed while importing libzmq: The specified module could not be found."
body: <p>I am new to Python. I have installed Python 3.9 and Jupyter notebook without Anaconda. When I try to open it in CMD I am getting the error i have copied below.</p>
  <p>I tried:</p>
  <pre><code>pip uninstall zmq
  pip install zmq 
  </code></pre>
  <p>but it did not help.</p>
  <pre><code>C:\Users\Lana&gt;jupyter notebook
  Traceback (most recent call last):
    File &quot;c:\users\lana\appdata\local\programs\python\python39\lib\runpy.py&quot;, line 197, in _run_module_as_main
      return _run_code(code, main_globals, None,
    File &quot;c:\users\lana\appdata\local\programs\python\python39\lib\runpy.py&quot;, line 87, in _run_code
      exec(code, run_globals)
    File &quot;C:\Users\Lana\AppData\Local\Programs\Python\Python39\Scripts\jupyter-notebook.EXE\__main__.py&quot;, line 4, in &lt;module&gt;
    File &quot;c:\users\lana\appdata\local\programs\python\python39\lib\site-packages\notebook\notebookapp.py&quot;, line 49, in &lt;module&gt;
      from zmq.eventloop import ioloop
    File &quot;c:\users\lana\appdata\local\programs\python\python39\lib\site-packages\zmq\__init__.py&quot;, line 50, in &lt;module&gt;
      _load_libzmq()
    File &quot;c:\users\lana\appdata\local\programs\python\python39\lib\site-packages\zmq\__init__.py&quot;, line 28, in _load_libzmq
      from . import libzmq
  ImportError: DLL load failed while importing libzmq: The specified module could not be found.
  </code></pre>
  <p>and here is the set up</p>
  <pre><code> C:\Users\Lana&gt;jupyter --version
  jupyter core     : 4.7.0
  jupyter-notebook : 6.1.6
  qtconsole        : 5.0.1
  ipython          : 7.19.0
  ipykernel        : not installed
  jupyter client   : not installed
  jupyter lab      : not installed
  nbconvert        : not installed
  ipywidgets       : not installed
  nbformat         : 5.0.8
  traitlets        : 5.0.5
  </code></pre>