For some reason Office 2007 continually configures itself.

It is installed, but every time I run one of the installed programs, it
configures again and again. I have tried to re-install it, repair it,
diagnose the issue, but I can't seem to fix it. This is an install CD
from my Technet subscription, but this happens when I use my retail CD
of Office 2003 as well.

Operating system is Windows Vista Home Premium SP1.

Any ideas?