https://bugs.winehq.org/show_bug.cgi?id=57410
--- Comment #9 from Esme Povirk madewokherd@gmail.com --- I think this is a marshaling bug. The application calls CoInternetGetSession like this:
[DllImport("urlmon")] static extern int CoInternetGetSession(uint a,ref IInternetSession b,uint c);
And it seems that IInternetSession variable is null afterwards. It doesn't appear to be possible for Wine's urlmon to set that to null and return 0, so I'm guessing that "ref IUnknown" stuff isn't marshaling correctly.