Following Call of Duty: Modern Warfare 2 reports of a nasty bug that causes the game to crash after joining a party, developer Infinity Ward provides an update. With the newest Call of Duty title launching this week, players have found a lot ot love with the various modes that arrived alongside the game. However, like many modern game releases, Modern Warfare 2 isn't a perfect experience and has its own fair share of glitches and other bugs.