I'm trying this little snippet: #include "FF.au3" #include <FileConstants.au3> ; trying to connect to a running FireFox with MozRepl on If _FFConnect(Default, Default, 3000) Then _FFOpenURL('http://wolnelektury.pl/') Local $sHTML = _FFReadHTML("html") Local $sFile = @ScriptDir & '\ZRODLO.html' FileDelete($sFile) Local $hFile = FileOpen($sFile, $FO_OVERWRITE + $FO_UTF8) FileWrite($hFile, $sHTML) FileClose($hFile)