Sandra, that was it - I didn't expect .NET 4 Client to be the default configuration, now I know what to look for.
yep, that was silly.

Thanks for your useful help.

I hate to ask about such a basic question but I'm just getting started with the .NET package. after reading through some of the related forum entries, I'm still not sure how to solve it. The problem comes from simply from creating a Windows Form application, dropping the TChart tool on the form and ...