https://bugs.winehq.org/show_bug.cgi?id=47306
--- Comment #5 from Fabian Maurer dark.shadow4@web.de --- See https://wiki.winehq.org/FAQ#How_can_I_get_a_debugging_log_.28a.k.a._terminal...
Basically run "WINEDEBUG=+msi wine YOUR_EXE_FILE &> wine.log"