"The file CD-ROM Drive Letter:\data1.msi is not a valid installation package" error message when you try to install Office 2000 Service Pack 3

When you try to install the Microsoft Office 2000 Service Pack 3 (SP-3), you are prompted to insert the Office 2000 Premium CD into the CD-ROM drive or DVD-ROM drive. After you insert the CD, you may receive the following error message:

This issue occurs if you have Microsoft Works Suite 2000 with Microsoft Word 2000 installed on your computer. The Office 2000 SP-3 Setup program searches for the earliest version of Data1.msi, and Data1.msi for Works 2000 is not compatible with the SP-3 Setup program.

To work around this issue, follow these steps:

1. Completely remove Microsoft Works Suite 2000 from your computer. If Works Suite 2000 came preinstalled on your computer by the Original Equipment Manufacturer (OEM), see the OEM documentation on how to remove Works Suite 2000. If not, see following Knowledge Base article:
   256874  (http://support.microsoft.com/kb/256874/EN-US/ ) : Works Suite 2000: How to Completely Remove Works Suite 2000
2. Completely remove Office 2000 Premium. For additional information about how to completely remove Office 2000 from your computer, click the following article numbers to view the articles in the Microsoft Knowledge Base:
   239938  (http://support.microsoft.com/kb/239938/EN-US/ ) OFF2000: Utility to Completely Remove Remaining Office CD1 Files and Registry Entries
   247674  (http://support.microsoft.com/kb/247674/EN-US/ ) OFF2000: Utility to Completely Remove Remaining Office CD2 Files
3. Use the Microsoft Office 2000 Premium CDs to install Microsoft Office 2000 Premium.
4. After you install Office 2000 Premium, apply the Microsoft Office Service Releases and Service Packs to the Office 2000 Premium installation, either from CD or from the Office Update Web site.
   For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
   276367  (http://support.microsoft.com/kb/276367/EN-US/ ) OFF2000: How to Obtain the Latest Office 2000 Service Pack