Register a free account today to Ignite your Adventure! Once signed in, you'll be able to participate with the Embers Adrift community. Your active account will also be the same account used to purchase, download, and login to the game.
Work around. Unity3d.data file is the hang up for these rogue clients. You can have someone send you the new version of this file, or download it individually through the client and place it in <launcher directory>\client\live\Embers Adrift_Data and restart the client.
Nice! Doing DCS myself and I just resubbed to Final Fantasy XI. It isn't Ember's, but it's chock full of nostalgia and DCS scratches my Navy veteran itch. :)