Hello everybody! tried everything I can found around web/forums, also trying to clone all headers and POST parameters with data(payload), but this code to upload 1 simple picture to facebook group still sucks & don't returns the page with preview image   #include <WinHttp.au3> #include <WinHttpConstants.au3> #include <String.au3> Func _FBStart() Local $HOST = "m.facebook.com" Local $hSession = _WinHttpOpen("Mozilla/5.0 (Wi