you're allowed to have a maximum of 5 chat windows open -- which means sooner or later you will want to chat with someone and not be able to since you have 5 already open. I know (now) that there is a little wee x in the corner but black on black? I did not see it. I cannot be the only person with older eyes. Could the 'x' be changed to some other colour so it shows up? any colour but black