Microsoft had until the 15th December to meet EU demands to provide information on its Windows Operating System that would allow its competitor's group servers to better interoperate with it. However, Microsoft hasn't met these demands, so the EU is threatening to fine the software giant €2mil a day. Microsoft claims that the EU keeps moving the goal posts when it comes to their demands, and they cannot keep up.
http://www.hexus.net/content/item.php?item=4191