What is your help output? WebHelp, AIRHelp, FlashHelp, Microsoft HTML Help, etc
This is an HTML Help control. Seems to be present and work fine if I compile a CHM file. But if I generate WebHelp, it's missing.
However, it's easy enough to script if you want. Just add a JavaScript command of window.close() to a link or a button. But don't be surprised if it fails to work a lot of the time. Closing a window is a troublesome thing. Just do a Google search for JavaScript window close to see what I mean.
Cheers... Rick