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

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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.

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

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