 
   settings: (errors = {}) ->
     new Setting(
-      maxChatWindows: @maxChatWindows
+      windowSpace: @
       errors: errors
     )
 

  constructor: ->
    super

    @showTimeEveryXMinutes = 1
    @lastTimestamp
    @lastAddedType
    @isTyping = false

    params = @formParam(e.target)

    @formDisable(e)

    # update runtime
    @windowSpace.maxChatWindows = params.chat.max_windows

    # update user preferences
    @ajax(
