Thanks I Find Script. but I have a question: #include <GUIConstantsEx.au3> #include <WinAPISys.au3> #include <WindowsConstants.au3> $hGUI = GUICreate("Form 1", 300, 200, -1, -1, BitOR($WS_CAPTION, $WS_SYSMENU), $WS_EX_DLGMODALFRAME, WinGetHandle(AutoItWinGetTitle())) $hIcon = _WinAPI_GetClassLongEx($hGUI, $GCL_HICON) _WinAPI_DestroyIcon($hIcon) _WinAPI_SetClassLongEx($hGUI, $GCL_HICON, 0) _WinAPI_SetClassLongEx($hGUI, $GCL_HICONSM, 0) GUISetState() Do Until GUIGetMsg() = $