>I've create three form from the Form Designer, such as Form1,Form2 and Form3.
>Form1 :
> Command button1: hiden thisform and do form Form2
> Command button2: exit program
>
>Form2 :
> Command button1: hiden thisform and do form Form3
> Command button2: show Form1 and release thisform
>
>Form3:
> Command button1: show Form2 and release thisform
>
>When I in Form3 and click the command button to back the Form2, the error message occur. (object Form2 is not found)

IF you already RELEASE form2 and trying to activate it by FORM2.SHOW OR FORM2.VISIBLE = .T. or FORM2.ACTIVATE, object form2 will not be found. Use FORM2.VISIBLE = .F. to hide form2 instead of releasing it, then if you want to activate it, use FORM2.VISIBLE = .T.

HTH

>
>How can I solve the problem?
>Thank you!