http://bugs.winehq.org/show_bug.cgi?id=34144
--- Comment #1 from Austin English austinenglish@gmail.com 2013-07-29 17:25:31 CDT ---
sworddragon@ubuntu:~$ '/wine/drive_c/Program Files (x86)/Guild Wars 2/Gw2.exe' -dx9single
don't do that. cd to the directory.
err:winediag:SECUR32_initNTLMSP ntlm_auth was not found or is outdated. Make sure that ntlm_auth >= 3.0.25 is in your path. Usually, you can find it in the winbind package of your distribution.
you should fix that.
Also, have you tested this on windows. It could very well be a game bug