http://bugs.winehq.org/show_bug.cgi?id=14299
--- Comment #5 from Wolfram Sang wolfram@the-dreams.de 2010-06-14 19:05:40 --- Patch to solve the issue sent:
http://www.winehq.org/pipermail/wine-patches/2010-June/089567.html
The above mentioned err is a different issue with WINHELP30 files. I also have a patch for that, but because it doesn't fix a bug and has a slight chance of causing new regressions, I will post it after 1.2 is released.