If there are resource-hungry software programs running in the background when you launch Call of Duty: Modern Warfare 3, your machine might not have enough resources to handle all the tasks, and therefore the game crashes. So before you start gaming, make sure to close all non-essential app...
For the past couple months my mw3 keeps crashing mid game and then it comes up that the amd driver timed out, at the start this was happening very frequently, however after trying a few hotfixes for example manually tuning my gpu and fans, reinstalling the game and updating my drivers. ...