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Help->Help Sets->Core IDE Help then select "Getting Started Tutorial" then select "To begin the tutorial, click here" Go to the "Adding a Button" section and work your way to the font changing bit. When you select the new font this makes the help viewer go away. There are other places in the tutorial that cause the same behaviour. This will also happen if you deviate from the tutorial and cause other popups to appear for any reason.
agreed. I believe the tutorial does suggest resizing and repositioning of the windows, but this is still a problem, and a long standing one at that. One future solutions will probably be to pull all tutorial-like material out of the help (instead make it available as web pages that can be viewed in a standard browser). More generally, I'd like to see the help window as a more integrated part of the window system (see http://ui.netbeans.org/docs/ui/ws/ws_spec.html). A suitable solution has not been drawn up yet, but I am still hopeful.
The fundamental problem has not been solved, but we've taken the getting started stuff out of the online help and put it on the web for the release. The help system was not designed particularly well for tutorials.