Objects are not rendering and I can only see background!

This article applies to rare cases in Corona Renderer 1.5 or newer, where some (or all) of the scene objects are missing and only the background (environment) can be seen when rendering.

Possible solution: make sure that the content of %localappdata%/CoronaRenderer folder is not hidden, or remove all the files there - see this guide for instructions.

Expected image:

Result of rendering: