https://bugs.winehq.org/show_bug.cgi?id=49865
--- Comment #6 from Fabian Maurer dark.shadow4@web.de --- (In reply to N from comment #5)
"will try to load Gecko from UNIX-style installation". Gecko is missing on my system -> I have a copy in each WINEPREFIX?
Well, yes, that's what that means.