Tien , remplace ton code Koda par ça :
#Region ### START Koda GUI section ### Form=
$Form2 = GUICreate("Arkenix Trainer V2.7", 801, 237, 191, 130)
$Checkbox1 = GUICtrlCreateCheckbox("xxxxxx", 16, 100, 12, 12)
$Button1 = GUICtrlCreateButton("Start", 728, 208, 59, 17, $WS_GROUP)...