Jupyter Notebook - Cannot Connect to Kernel

Question

I\'ve tried installing jupyter notebook using pip3 install jupyter. Every time i launch a new jupyter notebook, the notebook is unable to connect to the kernel. See screenshot b

Answer 1

for linux and windows:

     just install ipython kernel

           "python3 -m pip install ipykernel"

           "python3 -m ipykernel install --user"

      then restart jupyter notebook that's it