You're welcome. You should seriously consider applying service packs because thet fix known issues and bugs.

>Thanh you very much. Effectively, it was the result of the corruption of the project file.
>
>> What's VFP and Windows version?
>
>VFP 5.0
>
>> DO you've the latest servoce packs installed?
> I didn't install any service packs . I have to learn a little bit more about this. Thank again.