Ryan,
Surf on over to
http://fox.wikis.com/wc.dll?Wiki~NotATable~VFP and read my article about how to fix this with the HexEdit that comes with VFP.
>When I try to run my main form, I get the error: Not a Table, meaning The file that Visual FoxPro is attempting to use as a table contains an improper header..
>And also, it will not let me modify the form.
>What can I do?
>
>Thanks,
>Ryan