[Bug 36387] Multiple Microsoft installers crash or hang with heap corruption (XmlLite, XPSEP, IE7)

https://bugs.winehq.org/show_bug.cgi?id=36387

--- Comment #6 from Austin English  ---
(In reply to Anastasius Focht from comment #4)
> Hello Austin,
>
> is there any difference to tests without callback context patch then?
> What about XPSep installer, is that still an issue there too?
>
> Regards

Without the patch, they still fail for me, see
https://bugs.winehq.org/show_bug.cgi?id=26016#c40

Haven't tested XPSep, I'll give it a try when I get some free time next week.