Quick tip: troubleshooting Jupyter notebook not starting correctly

The other day my Jupyter notebooks did not start correctly from Anaconda navigator - luckily the Jupyter docs have a section  Jupyter - What to do when things go wrong. So I tried starting it from Anaconda prompt and it indeed gave me an exception that there was an invalid path in the Jupyter config file - to find out where to look for the config file check out Jupyter common directories and file locations