I had a lot more crashes after Fall of the Samurai was released. It would crash right after the Sega logo or crash before the main menu. My game is fine now, but I do not recall what fixed it for me. I do have a 6970 though so not a 7000 series.
Try running all the files in the redist folder of Shogun 2. You may have to run that Flash player security exemption files.
Try running all the files in the redist folder of Shogun 2. You may have to run that Flash player security exemption files.









