To uninstall BIS/IIS, use either the 
               		Add or Remove Programs (on Windows XP) or the 
               		Programs and Features (on Windows Vista and later) control panel applet: 
               	 
            
 
            	 
             
               		
               - Click 
                  		  Start > Control Panel and select either 
                  		  Add or Remove Programs or 
                  		  Programs and Features. 
                  		
               
- Click the version of extend, which will contain options for removing BIS only. 
                  		
               
- Click the 
                  		  Uninstall button. 
                  		
               
- When the Program and Features message box appears requesting "Are you sure you want to uninstall Xcentrisity BIS for 
                  		  extend?", press the 
                  		  Yes button.