http://bugs.winehq.org/show_bug.cgi?id=9700
--- Comment #2 from Vitaliy Margolen vitaliy@kievinfo.com 2007-09-19 00:03:00 --- What does exactly the message say that wants to install Wine_gecko? Are you sure you using the new Wine version and that you removed ~/.wine directory?
Please DO NOT PASTE LOGS!!! ATTACH THEM INSTEAD!!!
Also you starting the game wrong! You have to use "wine Steam -applaunch 10"
Where are you getting MOTD? What level? What server?
So far it seems like invalid bug to me.