Just a SWAG, but 1 of only 2 options come immediately to mind. Either the SP file you downloaded is corrupt [download it again] or with Windows Installer is corrupt [download and re-install].

>I downloaded the SP1 for VFP7. When I start the installation, Windows
>Installer starts, then dies with the message "Installer terminated
>prematurley"
>
>I click Ok, and I get an error:
>
>"Internal Error 2755, 995,
>C:\Winnt\Installer\449b7dfa.msi"
>
>And it ends.
>
>Anyone know whats going on here?