Is the enable property getting set to .F.? If you are using a form created by the form wizard, are you also using the navigate toolbar? Can you click on the edit button and then put the cusor in the field? If only the add button is enabled, then you probably don't have any records in the table and you may need to add one first.

>My problem is that I can't put the cursor in the first record of the form,
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> the proyect was made with the wizard, could that be the problem?