https://bugs.winehq.org/show_bug.cgi?id=53738
--- Comment #3 from Shinichi Tanaka shinichi.tanaka45@gmail.com --- Hi Sagawa-san, thanks for trying to reproduce this.
I attached a logs opening CJK-filename file with `WINEDEBUG=file,msgbox wine cherry.exe`.
I hope that it helps to make clear its reason.