Activision has released a patch for Call of Duty 2, bringing the WWII FPS sequel developed by Infinity Ward to v1.01. The update is recommended for Windows 2000/XP users with Intel Hyper-Threading Technology (HT Technology) enabled processors, multiple processors, or systems with a dual core processor. This upgrade will not affect pure server, and will not affect your ability to join or host multiplayer games with version 1.0 players.