Again, make sure you have the latest version 220.127.116.1156. The latest 1.2.1 (6156) patch requires 1.2 (6115) to be installed.
Added MOD directory <Mods\sfwcl\> to CryPakThe file is located either in your Crysis folder or in "Documents/My Games/Crysis". The second location is used if your Crysis folder is not writable. If you don't see the line there, it means the multiplayer client is not loaded because you don't launch Crysis using the multiplayer shortcut on your desktop.