http://bugs.winehq.org/show_bug.cgi?id=5267
------- Additional Comments From mikolaj.zalewski@gmail.com 2006-22-05 10:32 ------- This regression is caused by GetWindowLongPtr(hWnd, DWLP_DLGPROC) returning an invalid pointer (it's called from comctl32/theme_dialog.c). It happens in wine 0.9.13 (I haven't tested yet the latest CVS).