I am using this script to to what i want(btw, this compose window is great ): CODEAutoItSetOption ( "TrayMenuMode" ,1 ) AutoItSetOption("WinTitleMatchMode", 4) If NOt WinActive("classname=ExploreWClass") And Not WinActive("classname=CabinetWClass") And Not WinActive("classname=Progman") Then TrayTip("Quitting-","No Explorer window active." ,3,3) Sleep(5750) Exit EndIf AutoItSetOption ( "TrayIconHide" ,1 ) $optionKey = "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\A