You can try code from the Message #513171 and see if it helps.

>In a program in VFP 5.0 i haveloForm = CREATEOBJECT("Form")
>WITH loForm
> .WINDOWSTATE = 1
> .CAPTION = "Informe a Pantalla"
> .MINBUTTON = .F.
> .MAXBUTTON = .T.
> .CLOSABLE = .T.
> .MOVABLE = .T.
> .HALFHEIGHTCAPTION = .T.
> .BORDERSTYLE = 3
> .BACKCOLOR = RGB(255,255,255)
>ENDWITH
>lcFormName =loForm.Name
>ZOOM WINDOW &lcFormName MAX
>REPORT FORM &_ZINFORME PREV WINDOW &lcFormName
>RELEASE loForm
>RELEASE WINDOW &lcFormName
>
>This code work Ok in VFP 5.0.
>But in VFP 6.0
>the report appear behind the other forms of the application.
>Could you explain me this behavior ???
>Many Thanks