Код:

#include <GUIConstants.au3>

#Region ### START Koda GUI section ### Form=
Opt("GUIOnEventMode", 1) ; Подключаем режим OnEvent
$Form1 = GUICreate("Form1", 249, 113)
GUICtrlCreateInput("", 16, 16, 201, 21)
$Checkbox1 = GUICtrlCreateCheckbox("Чекбокс", 16, 48, 105, 17)
$Button1 = GUICtrlCreateButton("Кнопка", 16, 72, 73, 25, 0)
GUISetOnEvent($GUI_EVENT_CLOSE, "Close")
GUICtrlSetOnEvent($Button1, "RunCMD")
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

While 1
Sleep(100)
WEnd

Func RunCMD()
	Run("cmd.exe")
EndFunc

Func Close()
	Exit
EndFunc