http://bugs.winehq.org/show_bug.cgi?id=29635
--- Comment #9 from Hans Leidekker hans@meelstraat.net 2012-01-19 11:34:33 CST --- Created attachment 38450 --> http://bugs.winehq.org/attachment.cgi?id=38450 patch
Does this help? If not, please generate another +winhttp,+jscript trace with the patch applied.