https://bugs.winehq.org/show_bug.cgi?id=34247
--- Comment #6 from Nikolay Sivov bunglehead@gmail.com --- (In reply to sworddragon2 from comment #3)
That means you're running in WoW64 mode. To create 32-bit prefix set env variable like this WINEARCH=win32 before creating new prefix.
This was indeed an issue but now the path is "C:\Program Files\GUILD WARS" with LANG set to de_DE.UTF-8 instead of "C:\Programme\GUILD WARS".
Does Windows create language-specific Program Files? I'm English and hence ignorant on the subject...
Widows XP 32 bit with a german localization does create C:\Programme on the installation and will use it as default directory.
You sure you're looking at actual path and not on a display name as shown by Windows Explorer? Also I just tried on Japanese Windows 8.1 and it uses non-localized dir names, so it could as well be windows version specific.