https://bugs.winehq.org/show_bug.cgi?id=42874
--- Comment #25 from Ker noa blue-t@web.de --- Have you installed all games the same way? I usually don't run a dedicated installation for Linux in a wine prefix unless it is absolutely necessary like Age of Empires 2 DE. I rather Link the Launcher to a mounted folder from my windows installation.
fixme:mpr:WNetGetUniversalNameW (L"Z:\media\user1\Drive\World of Warcraft\Data\data", 0x00000001, 0x652a2d0, 0x652a2cc): stub maybe it is having trouble finding the right file and folder?