If you are not able to start Shogun 2: Total War then please delete the preferences.script.txt file you will find at the following location:
Windows Vista & 7:
C:\Users\username\AppData\Roaming\The Creative Assembly\Shogun2\scripts
C:\Users\username\Documents and Settings\Application Data\The Creative Assembly\Shogun2\scripts
In order to access this folder, please ensure that the option Show hidden files and folders is active:
- Go to the Control Panel and enable Classic View
- Select Folder Options
- Select View
- From Advanced Settings enable locate Hidden files and folders.
- Select ‘Show hidden files and folders’
- Click Ok
This will then reset the settings option and allow you to access the game.