http://bugs.winehq.org/show_bug.cgi?id=9812
--- Comment #28 from Jiri Tyr jiri.tyr@e-learning.vslib.cz 2008-05-27 09:04:00 --- (In reply to comment #27)
Yes, i have working cs_CZ locale.
Please, try this: LC_ALL="cs_CZ" wine /path/to/the/prog.exe or LC_ALL="cs_CZ.UTF-8" wine /path/to/the/prog.exe