Does anyone know how to get rid of it? GUICreate('MyGUI', 300, 300) GUISetBkColor(0xAACCFF) GUICtrlCreateTab(20, 20, 260, 260) GUICtrlCreateTabItem('Item1') GUICtrlCreateTabItem('Item2') GUICtrlCreateTabItem('') GUISetState() Do Until GUIGetMsg() = -3