The only time I've seen Win2k constantly reboot like that is when it has a registry problem. Does it boot so far, give a blue screen for a few seconds with just a few lines of info before it reboots again?
<font color=blue>"Some people believe football is a matter of life and death. I'm very disappointed with that attitude. I can assure you it is much, much more important than that" - Bill Shankly</font color=blue>