This problem may occur when the temporary folder on the computer is
encrypted.
By default, the Microsoft Self-Extractor program extracts the installation
files for the update package to the %temp% folder. The program then runs the
update package's Setup program from this folder.
If the %temp% folder has been encrypted, and if you signed on to the
computer by using a standard user account, the update package's Setup program
cannot run. Encryption may have been enabled on this folder by the user or by
certain tools such as the Microsoft Encrypting File System Assistant (EFS
Assistant).
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WORKAROUND
To work around this problem, you must download the update package for the
2007 Office suite, and then manually extract and run the update package's
Setup program. To do this, follow these steps.
Note These steps use the My Documents folder on the computer. If the My
Documents folder is also encrypted, use a different folder in these steps.1.
Download the 2007 Office update package to the My Documents folder on the
computer.
2. Open the My Documents folder, and then note the Microsoft Self-Extractor
file name.
3. Click Start, click Run, type cmd, and then click OK.
4. Type cd "%userprofile%\My Documents" and then press ENTER.
5. Type Self-Extractor_filename.exe /extract:"%userprofile%\My Documents"
and then press ENTER.
This process extracts one or more .msp installation files for the 2007
Office update package.
6. Close the Command Line window.
7. In the My Documents folder, double-click each .msp file that you
extracted in step 5.
Note If an .msp file is for a component that is not part of the 2007 Office
suite that you installed, you receive the following warning message:
The update package cannot be installed by the Windows Installer service
because the program to be updated may be missing, or the update package may
update a different version of the program. Verify that the program to be
updated exists on your computer and that you have the correct update package.
Hope this helps someone!!