Hey Gary,
You will need to have the same Office 2000 CD (the same CD when you install
Office 2000). Insert that same CD into your CD drive and try updating again.
See if it can find the file data1.msi.
If you cannot get old of the CD, please try the following which is provided
by MS Support:
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To resolve this issue, we have to reinstall your Office 2000, now I provide
you below method to reinstall Office 2000 via Windows Clean Up Utility 2.0.
Note: Before you perform the following steps, please refer to the Microsoft
Knowledge Base (KB) articles to learn more about backing up the Outlook
data.
816003 OFF2000: Description and Use of the Microsoft Office 2000 Profile
Wizard
http://support.microsoft.com/?id=816003
196492 OL2000: (IMO) How to Back Up, Restore, or Move Outlook Data
http://support.microsoft.com/?id=196492
Q195719.KB.EN-US OL2000: (CW) How to Back Up, Restore, or Move Outlook Data
http://support....efault.aspx?scid=KB;EN-US;195719
Reinstall Office 2000 via Windows Clean Up Utility 2.0
(a) Download the Windows Installer Cleanup 2.0 Utility on your desktop.
http://download...B8-80E8-983A48D5E1BD/msicuu2.exe
(b) After you install the Windows Installer CleanUp Utility, click Start
menu-> All Programs-> Windows Install Clean Up.
(c) Highlight Microsoft Office 2000 entry in the list and then click Remove.
Please don't remove any other entries in the list.
(d) Click Exit to close the Windows Installer Cleanup utility.
(e) Click Start menu-> Run, type "regedit" (without the quotation marks) in
the Open box and press Enter.
(f) Locate the two registry keys below and click Delete from the Edit menu.
Click OK on the pop-up warning dialog box.
HKEY_CURRENT_USER\Software\Microsoft\Office\19.0
HKEY_LOCAL_MACHINE\Software\Microsoft\Office\19.0
(g) Delete the "Microsoft Office" folder located in the C:\Program Files.
(h) Click Start menu-> Run, type "%Temp%" (without the quotation marks) in
the Open box and press Enter.
(i) Empty the %Temp% folder.
(j) Empty the Recycle Bin.
(k) Restart your computer and try to install Office 2003 and updates again.
After you install Office 2000, please go to the Office Product Updates Web
site, and click the "Check for Updates" link to check for available Office
updates.
http://www.offi....com/ProductUpdates/default.aspx
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Hope this helps.