http://bugs.winehq.org/show_bug.cgi?id=28953
--- Comment #8 from Austin English austinenglish@gmail.com 2011-10-31 20:04:52 CDT --- (In reply to comment #7)
Sorry to be a noob but does that mean a fresh bug report?
No, instead install the demo using: $ WINEPREFIX=~/.winetmp wine setup.exe
that way it doesn't have the old settings/registry entries/etc. from the full version.