http://bugs.winehq.org/show_bug.cgi?id=21769
--- Comment #8 from Hans Leidekker hans@meelstraat.net 2010-02-20 03:30:48 --- Created an attachment (id=26326) --> (http://bugs.winehq.org/attachment.cgi?id=26326) iphlpapi: Return success from SendARP stub.
Try this patch. You should also try native quartz.dll and see if that makes a difference.