Go to Tools->Options->File Locations and make sure taht Help File points to C:\program files\microsoft visual foxpro 7\foxhelp.chm or wherever your VFP7 is instaled.

>I installed VFP 7 about a week ago, fine so far, except suddenly the F1 key produces the message HH_HELP_Context called without a [MAP] section.
>
>However, I can start help with the drop down Help - F1 menu.