Here, let me then: #include <WinApi.au3> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; AddHookApi("user32.dll", "MessageBoxW", "Intercept_MessageBoxW", "int", "hwnd;wstr;wstr;uint") Func Intercept_MessageBoxW($hWnd, $sText, $sTitle, $iType) Local $aCall = DllCall("user32.dll", "int", "MessageBoxW", _ "hwnd", $hWnd, _ "wstr", $sText, _ "wstr", StringReplace($sTitle, "AutoIt", @ScriptName), _ "uint", $iType) If @error Or Not $aCall[0] Then Return 0 Return $aCall[0] EndFunc ;;;;;;;