Please refer to the following article regarding your time issue.

Why does my computer lose time while running the Microsoft® Windows® XP operating system?

http://esupport1.us.dell.com/dellkb_tools/document.asp?Documentid=1060115

Download and install this and you won't have to reset it again.
http://www.boulder.nist.gov/timefreq/service/its.htm


Dimension 8200 @ 1.8GHz
512MB RAM, 40GB HD
21 in. Dell Trinitron Monitor
Windows XP Home
Toshiba PCX1100 Cable Modem
MS IE 6.02, Netscape 6.2
Zone Alarm
God Bless the USA

I had same problem with my new Win XP system. From desktop rt. click on clock icon in lower rt. corner. Click Internet time tab, remove check from auto synch.

sybok@bright.net