for some reason about 2 weeks ago, when I had occasion to do ctrl-alt-del to bring up the close program dialog box, it didn't - It just rebooted <br><br>It never brings up the close program dialog box since.<br><br>It does one of three things.<br><br>1. Just reboots<br>2. locks system up - only way out is the power switch<br>3. does access to floppy - then reboots<br><br>Uninstalled Norton system works w/crashguard - it made no difference.<br><br>Need help badly.<br>Thank you....