You can select "Activate by Phone", and give Microsoft a call using the
number it gives you. You can talk to a rep there and they will have you back
up and running in about 5 minutes. The reason it says it is registered on
another computer is because you already activated it and it sees that as the
previous install.
--
Dustin Harper
http://www.vistarip.com | Vista Resource & Information Page
"T Szilagyi" <> wrote in message
news:3524FE40-EA66-4D69-B323-...
> My new PC running Vista Premium just crashed on the weekend and I needed
> to
> replace my Mother Board. I replaced my board with a better one, and had to
> reformat my drive.
>
> When I realoaded Vista I am now being told I have an invalid COA. It shows
> alreay registered on another computer. Who can I contact to get this
> fixed?
> --
> T Szilagyi