Troubleshooting
This error results from the improper delivery of necessary game files. Please follow the steps below to initiate a small download of the missing content:
1.Completely exit Steam.
2.Navigate to your Steam installation folder (~C:Program FilesSteam)
3.Delete the 'appcache' folder.
4.Restart your computer and attempt to launch the game through Steam
If the issue persists, it may be that a program on your machine is interfering with the proper delivery of game files: