>>Check that the form fBancos uses private datasession, and that nothing opens any table exclusively. If that's OK, next thing to think of is your buffering scheme - what are you using?
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>I´m using 5 free tables on local disk (From an old system they use here) for FBancos. But that´s right. Never remember about buffering. I´ll try it that way.

But the answer to your question is to use the SKIP FOR portion of the menu. You're using the menu designer? Click the Options check box next to that menu item. In the dialog that comes up, enter FBancosOpen in the Skip For textfox. Make FBancosOpen a global var that you set to True when the form is open and False when the form is closed. There are some other ways to accomplish this using a different scheme to determine if FBancos is open, but this will work.