http://bugs.winehq.org/show_bug.cgi?id=34593
--- Comment #5 from Austin English austinenglish@gmail.com 2013-09-25 22:24:32 CDT --- (In reply to comment #1)
We do set VersionNT64. What is the version and build of your 64-bit Windows XP?
For completeness, it's SP1/Build 3790