https://bugs.winehq.org/show_bug.cgi?id=47399
--- Comment #1 from Dmitry Timoshkov dmitry@baikal.ru --- Created attachment 64751 --> https://bugs.winehq.org/attachment.cgi?id=64751 patch
It's a bug in msvcr120.wcscpy_s(): the app passes source == dest, and that kills the buffer contents.