In N4g.com is referred article:

Modern Warfare 2 Plagued w/ Issues, Fix Coming Soon on Both Platforms

If you picked up the latest and arguably most popular game of the year, Call of Duty: Modern Warfare 2, then you probably have experienced some technical issues with it. Users of both the Xbox 360 and PS3 have complained about severe online multiplayer issues, as well as problems with unlockables…

URL: http://www.n4g.com/pc/News-426411.aspx

When you click on Read Full Story >>, you will get a page with error: THIS SITE IS SUSPENDED!

So.. Isn't that nice? :d