See if either of these helps http://support.microsoft.com/kb/296175


"planetf1" <planetf1@discussions.microsoft.com> wrote in message
news:90EAA94A-B7DF-4220-BDC8-B73F31295260@microsoft.com...
> I have a relatively clean Vista x64 RTM (clean install, not upgrade)
> system
> with 3Gb ram & ~700Gb disk abd a dual core PD 820.
>
> I tried to install office Ultimate 2007 (default install option) only to
> be
> met with the installer failing, and raising a popup
>
> Error 1310.Error writing to file c:\config.msi\473dda.rbf. Verify that you
> have access to that directory.
>
> I have tried running the install as administrator in standard & priviliged
> mode (UAC is enabled).
>
> Other progs have been installing fine.
>
> Suggestions on next step? Known issue?
>