he tried to downgrade back to java SE 6, but that still doesnt work. when he tries using the craftland.log it is empty and when he activates it, he cant click anyone to login. He looked at his physical computer console and here is what it says 3/9/13 10:38:48.145 PM java: CGContextSetBaseCTM: invali...

So I was helping one of my friends get on aether, and when he opened aether, the login screen was fine. The second he logged in, it turned white instead of the Mojang screen, then closes. How can he fix this

Running: Mac OS X Lion
Java: Java 7, tried JRE 6