http://bugs.winehq.org/show_bug.cgi?id=12018
--- Comment #2 from Yolande Haneder yolande@haneder.biz 2008-03-15 12:34:18 --- (In reply to comment #1)
Another solution would be to install the app with Windows XP+ configuration which prevents shared assemblies from being put into system32.
This error does also come up in XP. Do you think the patch would be of some help?