http://bugs.winehq.org/show_bug.cgi?id=19289
--- Comment #16 from Dmitry Timoshkov dmitry@baikal.ru --- It looks like Pango depends on a substituted font being listed by EnumFontFamilies, otherwise it thinks that the font is not available. Registry key makes MS Shell Dlg appear in the EnumFontFamilies callback, otherwise it's not enumerated.