>I definetely don't see it. Are you trying this in VFP 7? I am also hiding the screen, could this be a problem?

Yes, I'm using VFP7 SP1. I tried on VFP main window also on top level form, both worked. Try run this code

** TestMenu.prg

Set sysmenu to
Set sysmenu automatic
Define pad Pad_1 of _MSysMenu prompt '\<Upper Menu'
On pad Pad_1 of _MSysMenu activate popup UpperMenu

Define POPUP Uppermenu MARGIN
Define bar 1 of uppermenu prompt 'Finish'
DEFINE bar 2 of uppermenu Prompt "hey hey"
DEFINE bar 3 of uppermenu Prompt "blah"

On bar 3 of uppermenu Activate popup Blah

DEFINE POPUP blah MARGIN
For ln_X = 1 to 55
   Define bar ln_X of blah prompt ( 'Bar ' + transform( ln_X ) )
Next