How to force a file validation:
- Log into our TCAdmin control panel
- View your game service
- Click on the 'File Manager'
- Check off and delete the 'steamapps' folder
- Run the 'Steam Update' module
The files will now validate. Client file validations can be performed as follows: https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335