The game is trying to load an old resolution or graphics setting that doesn't exist on your current setup. By deleting the configuration file, you force the game to create a fresh one that matches your current hardware.
Delete Configuration.config (Solution 1). The permanent fix: Use HedgeModManager (Solution 7). The advanced fix: Edit the config manually and set it to read-only (Solution 2).
Running the game with administrative privileges can sometimes resolve configuration issues.