Though the download appears to complete, an antivirus or firewall program may have quarantined one or more game files during the installation process. Disabling your antivirus program during the installation process usually addresses this issue:
🛠 Disable Avast antivirus, uninstall the game, restart your machine, and then reinstall game. Try disabling your antivirus program and reinstalling the game before trying to play.
The most common offenders are AVG and Avast antivirus, though we encourage you to try the above solution whenever you encounter this issue.