http://bugs.winehq.org/show_bug.cgi?id=18120
--- Comment #10 from Austin English austinenglish@gmail.com 2009-06-22 01:02:29 --- (In reply to comment #6)
I've confirmed this bug - Qt 4.5 applications have no text with winver>=win2000
But I can't use Apogee Rocksim 9 - it crashes when winver is less than win2000 because it doesn't support these OSs.
You can set different applications to different wine versions, or use separate WINEPREFIX's...