What happens of someone gets disgusted with the way things are going and hits alt-f4 in Windows or control-c in Mac or Linux? Suppose a fatal runtime error occurs? What exceptions will Java throw? Can I catch them in the main method and attempt to clean things up before exiting? Thanks, John -- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities