http://bugs.winehq.org/show_bug.cgi?id=34974
--- Comment #3 from Vincent Povirk madewokherd@gmail.com 2013-11-22 12:44:06 CST --- Mono: The following assembly referenced from C:\Program Files\L.A. Noire\LANPatcher.exe could not be loaded: Assembly: SecureDownloadAPI (assemblyref_index=5) Version: 1.4.3.19 Public Key: 332190ce47338fa8
Do you have a SecureDownloadAPI.dll in your prefix?