This is a more thorough version of the previous steps. Uninstall Wolfenstein: The New Order completely through the Steam client. Then, manually delete any remaining files in the game's installation folder. This ensures no corrupted or conflicting files are left behind before you perform a fresh, clean download and reinstall of the entire game.
For a second, nothing happened. The cursor spun. The rain outside intensified. steamapi64dll wolfenstein the new order link