>I want to add a file, FoxHelp.hlp, to my main menu in VFP8. How can I do this?

Try

DEFINE BAR 10 OF _msystem PROMPT "\-"
DEFINE BAR 11 OF _msystem PROMPT "FPW 2.6a help"
ON SELECTION BAR 11 OF _msystem ;
   RUN START h:\FPW26a\FoxHelp.hlp