http://bugs.winehq.org/show_bug.cgi?id=30163
--- Comment #4 from Aric Stewart aric@codeweavers.com 2012-06-05 07:25:43 CDT --- winecfg is working for me in Arabic.
It may be because you do not have a font or maybe wine is selecting the wrong font.
Could you generate a +font,+uniscribe log?
thanks! -aric