LOG UDF, with or without GUI. Main focus is to keep it simple, so you have just to include _gollog.au3 and call: GOLLOG("a line of text"), and start logging. If your script is without GUI the log will be only written to disk, if you have a GUI you can initialize an edit control : GOLLOG_INI($guititle, $left, $top, $width, $height) and GOLLOG() will write your log both in an auto generated EDIT control in your $guititle GUI and disk; also GOLLOG_INI() will AUTO-create a G