edrap , you’ll want to contact Activision Support or refer to the Modern Warfare forums in regards to the freezing issue.
Blizzard Technical Support are only able to offer support for install, patch, Blizzard account, and purchases made through the Blizzard store. We go through this in more details over here on this post:
Hey everybody,
Thanks for taking the time to look this post over. In order to help players get help with their specific issue as quickly as possible, I wanted to talk some about the scope of support that we at Blizzard have for Call of Duty.
Blizzard doesn’t make any of the Activision games that we host on our application. We’re more than happy to help with any issues with Installation and Patching or problems with purchases of the game itself. You can post on these forums or contact our suppo…