Odd. Never happened to me before . . . internet connection is fine . . . after username/password, hit ‘play’ I get ‘launch process started’ then ‘starting client’ . . . then EVE screen with message.
Message: Connection Failed - Incompatible (Build). Unable to connect to Tranquility Servers Port 26000.
EVE Tranquility version 1211512
Launcher Version 1183418.2467
Screen with error has this Version # 15.09.1210663