Office 2008 updates cannot be installed if the Microsoft Office 2008
folder was moved, renamed, or modified

Office Installer installs Microsoft Office 2008 for Mac in the
Applications folder. If you move the Microsoft Office 2008 folder to
another location on your computer, or if you rename or modify any of
the files in the Microsoft Office 2008 folder, you cannot install
product updates. To correct this issue so that you can install product
updates, drag the Microsoft Office 2008 folder to the Trash, and then
reinstall Office 2008 from your original installation disk.

I can't download the volume license version of Office 2008 for Mac by
using Safari

Cause: Downloading the volume license version of Microsoft Office 2008
for Mac is unsuccessful when you use the Safari browser.
Solution: We recommend that you use the latest version of Mozilla
Firefox Web browser ( MozillaClick this link to open a browser
window.http://www.mozilla.com) to download the volume license versions
of the Microsoft Office 2008 for Mac suite or stand-alone
applications.