A co-worker's Mac has a strange GUI bug since upgrading to 10.4.7. Maybe it's just a setting that I'm missing but it's driving me nuts trying to figure it out. Whatever window is active or icon is selected has a black rule around it. Also, under the Apple Menu there are doubles of "Restart," Shut Down," and "Log Out." Is this all just a user-customizable setting or a bug in the system. I'd rather not have to reinstall the system. Edit - I just tried logging in as another user and don't see the black rule around anything. User setting?