3rd client goes full screen or wont show up

Hi. i run 3 clients. The 1st 2 has no problem but the 3rd one goes full screen for a sec then goes back to showing the first 2 clients while the 3rd doesn't show. When i click on the 3rd one's tab sometimes it appears full screen again but that's it. Can someone help? Thanks.

[Mahther]

It sounds like you need to create a new window layout. Check out this awesome video guide and let me know if that was the problem.
http://www.youtube.com/watch?v=pA3MqP6LAAg