Unfortunately it doesn’t appear to have been a complete success as I got OFP notices on avast loading unsigned kernel mode drivers (on both win7 and win XP Pro), see my post http://forum.avast.com/index.php?topic=139606.msg1018650#msg1018650 and http://forum.avast.com/index.php?topic=139606.msg1018672#msg1018672 on that topic.