You receive an "Installing this product requires the Windows Installer" error message when you run Setup for Office 2000

When you run Setup for Office, the following error message may appear:

If Setup is having problems installing or updating the Windows Installer on your computer, try the following steps to manually perform this operation:

1. Open the \Msi folder on the root of the Office compact disc.
2. Use the appropriate method for your operating system.
   
   Microsoft Windows Millennium Edition (Me), Microsoft Windows 98, or Microsoft Windows 95
   
   Double-click Instmsi.exe. If, after step 2, you receive the error message described in the "Symptoms" section, continue with step 3. Otherwise, run Office Setup again.
   
   Microsoft Windows NT 4.0 or Microsoft Windows 2000
   
   Double-click Instmsiw.exe. If, after step 2, you receive the error message described in the "Symptoms" section, continue with step 3. Otherwise, run Office Setup again.
3. If you are using Windows 95, open the \IE5\En folder on the Office CD-ROM. Otherwise skip to step 7.
4. Double-click DCOM95.exe.
5. Follow the DCOM95 dialog boxes, and restart your computer when prompted.
6. Run Office Setup again.
7. Click Start and click Run.
8. Use the appropriate method for your operating system.
   
   Microsoft Windows Millennium Edition (Me), Microsoft Windows 98, or Microsoft Windows 95
   
   In the Open box, type the following command line:
   path \Msi\Instmsi.exe /c /t:c:\Test
   where path is the path to the installation point.
   
   This command line expands the following Windows Installer package files into the C:\Test folder on your hard disk:

   Cabinet.dll 
   Imagehlp.dll 
   Instmsi.msi 
   Msi.dll 
   Msiexec.exe 
   Msihnd.dll 
   Msiinst.exe 
   Msls31.dll 
   Mspatcha.dll 
   Riched20.dll 
   Shfolder.dll 
   Usp10.dll
   						

   Microsoft Windows NT 4.0 or Microsoft Windows 2000
   
   In the Open box, type the following command line:
   path\Msi\Instmsiw.exe /c /t:c:\Test
   where path is the path to the installation point.
   
   This command line expands the following Windows Installer package files into the C:\Test folder on your hard disk:

   Cabinet.dll
    Imagehlp.dll
    Instmsi.msi
    Msi.dll
    Msiexec.exe
    Msihnd.dll
    Msiinst.exe
    Msls31.dll
    Mspatcha.dll
    Riched20.dll
    Shfolder.dll
    Usp10.dll

9. Click Start, and click Run.
10. In the Open box, type the following command line:
    c:\test\msiinst.exe /i instmsi.msi /qb+
11. Click OK to the message that states the Windows Installer Setup completed successfully.
12. Run Office Setup again.

To create a log file for step 2 instead of double-clicking Instmsi.exe (or Instmsiw.exe), use the following command line, as appropriate for your operating system.

Windows Me, Windows 98, or Windows 95Windows NT 4.0 or Windows 2000 This command line creates a verbose log file called Instmsi.log on the root of your C drive.

If you need to create a log file for the process of installing the Windows Installer files, replace the command line from step 10 with the following: This creates a verbose log file called Instmsi.log on the root of your C drive.

For additional information about this issue, click the following article number to view the article in the Microsoft Knowledge Base: