try this in your main program:

WITH _Screen
.TOP=0
.LEFT=0
.WindowState = 2
.visible=.T.
.Closable=.f.
.BackColor=rgb(255,255,255)
.Movable=.f.
.MaxButton=.F.
.MinButton=.T.
.ControlBox=.t.
.Caption="your application title"
.Picture = "applicationbackground.bmp"
.icon="your_application_icon.ico"
ENDWITH