Originally I only had the 64bit version of the plugin installed, so I couldn't run the project in FL 32bit.
But now that I've installed the 32bit version of the plugin, both instances open happily in FL 32bit. ...
within the FL browser view. If I can at least get an answer to the latter, I'd appreciate it. I will continue looking for a support line for phone and hopefully answer one of these questions for this thread. ...