http://bugs.winehq.org/show_bug.cgi?id=26183
--- Comment #3 from Nikolay Sivov bunglehead@gmail.com 2011-02-20 14:19:43 CST --- So it wants marshalled DOM node, iirc msxml DOM does really provide its own IMarshal, wine implementation doesn't currently.
Try to install native msxml3 with 'winetricks msxml3' to confirm it helps.