http://bugs.winehq.org/show_bug.cgi?id=23625
--- Comment #1 from Dmitry Timoshkov dmitry@codeweavers.com 2010-07-12 23:08:46 --- (In reply to comment #0)
My system: Debian Lenny(stable) - KDE 3.5.10 user locale: de_de@euro (aka. ISO-8859-15) - root locale: de_de.UTF8
This is wrong locale name. Try de_DE.UTF-8