Instructions for clearing the cache and file verification
If you notice that after downloading the game in the library, it continues to remain un-updated or the download files hang on one value and nothing happens, the most likely cause of the error is a problem with the game cache (previously downloaded files to install/unpack the update).
Clearing the cache
3. CLEAR DOWNLOAD CACHE
5. RMB on the game Wild Terra 2: New Lands - Properties...
6. LOCAL FILES
7. Verify integrity of game files...