Quotes Erik.. "If YChat sits at "Sending login information..." you may need to update your cookie. Do this by clicking on change/ update account and logging in again.
If the rooms list isn't loading, try updating your cookie, or go into the Preferences and change the "Room data server" to something other than the one you have selected."
To fix the same error on YCHAT client you would hold the cntrl key down, and right click the LOGO on the log in box, then you see a pop up with edit field and edit same as for 'elite.