https://bugs.winehq.org/show_bug.cgi?id=39973
--- Comment #7 from Sergey Isakov isakov-sl@bk.ru --- Created attachment 56524 --> https://bugs.winehq.org/attachment.cgi?id=56524 white background around dialog
OK winetricks vcrun6 does help.
After click "Select..." button background became white. Click inside dialog works, click outside cause return to the dialog. See screenshot