https://bugs.winehq.org/show_bug.cgi?id=47436
--- Comment #6 from Zebediah Figura z.figura12@gmail.com --- XPSEP is failing to install essentially because of bug 6194. So probably dotnet30 or dotnet20sp1 used to install the missing catalog files, but no longer do. I guess I'll keep digging, to try to figure out why...