Jupyter Notebook does not appear as an installed app

After upgrading Jupyter Notebook to version 7.4.7, it does not appear as an installed application on the Anaconda Navigator home page. I can launch the updated Jupyter Notebook from the command prompt. How can I restore the launch pane for Jupyter Notebook in Anaconda Navigator?

It appears that Anaconda Navigator got corrupted in one way or another. Problem resolved after uninstalling and reinstalling the app. it’s not the first time …