This is what has worked for me and my clan. Of it does not work for you please don't get mad at me... I don't even know why it worked for me. How would you expect me to know why it does not work for you?
0 - Restart tour computer
1 - Start the launcher: enter email and password of your account.
2 - Select the "Repair File" option that appears at the bottom left.
3 - Wait until the process finishes.
4 - Launch the game and try yo play.
5 - Get busted by the server selection screen error.
6 - Curse as much as you can.
7 - Start the launcher ag