Can't install/run Island Living.

Hello guys!
I'm having a problem on downloading the new pack, I've correctly followed the rules a lot of times and it keeps saying this: 

''It's not possible to play the game because the required game data is missing or damaged. Try to reinstall the game''





Gatekeeper Edit: topic title improved.

- The_gh0stm4n

Run the validator and post the result here.