http://bugs.winehq.org/show_bug.cgi?id=32754
--- Comment #6 from Marcus Blumhagen marcus.blumhagen@web.de 2013-01-22 07:48:34 CST --- After some digging in the rFactor2 forum, I found this: http://isiforums.net/f/showthread.php/7525-rFactor2-dedicated-under-wine-and...
So, I did my own testing again, see further down in that threat. So it is only
$ winetricks wininet
as it seems, and winetricks must not be used in the same $WINEPREFIX.