>>>>Ok I have a form in my VFP7 project....
>>>>When I try to modify the form, the windows installer comes up (trying to do some install for vfp7 no less) runs a for a minute or two..then I get this message. If I sit there and hit the damn cancel button a zillion times real quick when the installer gizmo is going the form does eventually open. If I don't, then I get this message:
>>>>
>>>>"Mismatched puchjmp/popjmp call"
>>>>
>>>>What the heck is THAT? Seems as though everything else in the project opens up just fine....
>>>
>>>Do you have an activex control or custom control on that form?
>>>
>>>It appears Windows installer is detecting missing files.
>>>
>>>The mismatched function pair looks like a stack handler.
>>>
>>>ie. the old push pop.
>>
>>So what's the fix then? reinstall VFP7 or something?
>
>The fix is easier by checking your event log and seeing what is causing the installer error.
>
>If all else fail, uninstall and reinstall because something got corrupted.

Bingo...this was in the event log...

"Detection of product '{89C83182-6537-4177-8A34-91598524EFD3}', feature 'VFP7_Professional', component '{1A1BB697-8711-11D3-A522-00A0C9231BA1}' failed. The resource 'C:\Program Files\Common Files\System\ole db\vfpoledb.dll' does not exist. "

Copied vfpoledb.dll off one of my other machines and now all seems to be working properly again.