As far as I’m concerned my WinRar is 3.70
I’ve read people discussing this matter on various forums
GERMAN: http://board.raidrush.ws/showthread.php?t=787610
ENGLISH: http://answers.yahoo.com/question/index?qid=20110606215809AAZqLOA
http://answers.yahoo.com/question/index?qid=20110606205213AAODIio
http://www.forumopolis.com/showthread.php?p=3765429
SPANISH: http://www.forospyware.com/t383646.html
etc…

No one seems to have found a correct answer yet ??? :-\