I have a reasonably new Windows XP system from COMPAQ(5 weeks old).  I
installed Outlook 2000 on it.  Everything worked fine on my old
Windows 98 system.
I use YAHOO mail (POP ans SMTP) for mail (it is an extra cost item
with them).

The problem is that to either receive or send mail, the first time I
so so after starting OUTLOOK, it ALWAYS prompts me for my YAHOO name &
ID when it check for new mail.  If I leave OUTLOOK up, there is no
problem, but if I close OUTLOO - it ALWAYS will reprompt when I try
the first time to receive mail).  I never had this problem in Windows
98.

Note that I ALWAYS log into Windows XP as the "OWNER" (which is the
default account originally set-up.

Hi dbrown459-ga,
  The problem you are experiencing is a known issue with Outlook 2000
running on Windows XP/2000. The problem is caused by some incorrect
information contained in the Windows registry. The solution involves
backing up your registry, removing the user account information, and
then re-entering your password. You can find a detailed explaination
of the problem, along with the step by step solution, in the following
MS Knowledge Base Article:
  - OL2000: (IMO) Your Password Is Not Retained in Windows 2000 or
Windows XP
    (http://support.microsoft.com/default.aspx?scid=kb;en-us;259416&Product=out2K)


You can find step by step instructions for configuring Outlook to use
the Yahoo! POP3 mail account in the following MS KB article:
  - OL2000: (CW) How to Configure Outlook to Use a Yahoo! POP3 Account
    (http://support.microsoft.com/default.aspx?scid=kb;en-us;254066&Product=out2K)

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Hope this helps.
If you need any clarifications, just ask!

Regards,
Theta-ga

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MS KnowledgeBase Search terms Used:
  password retain