I've created a new Help project, with a few new topics. When
I tried to link one topic to another, I get a "This action will
create an external link to the help system..." message. I already
have two Help projects, and in both of these I've been able to
create hyperlinks to other topics without getting this message.
Besides, when I proceeded to create the link after getting this
message, it doesn't work.
What are you doing to create the link? It should be just as
easy as typing in some text in one topic such as "see topic x",
highlighting the text, clicking the Insert Hyperlink button, and
using the Select Destination drop down arrow to select the
appropriate folder and topic. Then click OK and the link should be