http://bugs.winehq.org/show_bug.cgi?id=11281
--- Comment #6 from Alexandre Julliard julliard@winehq.org 2008-03-12 11:48:56 --- You should be using a utf-8 locale, something like ja_JP.UTF8. Wine will still show an appropriate DBCS codepage to Win32 apps, they won't see utf-8.