When we run the code : #include <WinHTTP.au3> $oHTTP = ObjCreate("winhttp.winhttprequest.5.1") $oHTTP.Open("POST","https://sso2.zing.vn/index.php?method=login",False) $oHTTP.SetRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.106 Safari/535.2") $oHTTP.SetRequestHeader("Content-Type", "application/x-www-form-urlencoded") $DataSend="pid=25&u1=http://login.me.zing.vn/login/success?&fp=http://login.me.zing.vn/login/fai