see the answer below
1) Click on the Run Cvpcb to associate components with footprints button at top of the eSim Schematic Editor.
2) This opens Cvpcb window. Internet connection is MUST for the Cvpcb window to show the footprint libraries.
3) If you are using Cvpcb for the first time, you will get a confirmation box.
4) If you get another dialog box titled "Confirmation", click on the 'NO' button.
If you clicked, yes instead of, The panels of Cvpcb will appear to be empty