It has the following controls, signs, and columns: 
  Open On Error 
Select this check box to automatically open the errors list window whenever 
an error occurs. This window will show error details i.e. time stamp and 
description. 
   (Clear All) 
Use this option to clear all the errors from the errors list window. 
 or    (Hide Errors List Window or Show Errors List Window) 
Use this toggle option to respectively show or hide the errors list window. It 
also shows total number of errors in the list.  When the window has no errors, 
the green tick icon will appear.  
   (Error)   
This icon represents an error.  
  (Warning) 
This icon represents a warning.  
  (Information)   
This icon represents an information.  
  Time Stamp 
This column lists the time stamp of individual errors in the format  
DD/MM/YYYY HH:MM:SS.  
  Description 
This column provides the description of individual errors.  
 (Window Controls) 
This drop down list provides window control options like: 
  Float 
  Dock  
  Auto Hide  
  Close