You can perform a re-installation of the package but to overcome the launch error, you also need to download a new package from the developer's website. The main cause for problems are the updates to the game where this application is going to be used. If you have an older version of the client and a new version of the game, no feature presented will work. With that said, you should update both the application and the game to be able to enjoy everything it has to offer.
