https://bugs.winehq.org/show_bug.cgi?id=50272
--- Comment #14 from winetest@luukku.com --- (In reply to Hector Martin from comment #12)
Created attachment 70611 [details] Do not clear the Content-Type header on redirects
Fixed it. It was dumb and had nothing to do with the hardware ID stuff. winhttp isn't keeping the Content-Type header across redirects.
please try to upstream the patch into wine.