Same message for me, when I first installed Vista RC1 5728, I did an update
for drivers but now I want to get the french language pack by Windows Update
like it is possible (I read it on several serious websites) but I have this
message too.

Help would be usefull.

"Dave" wrote:
[color=blue]
> Hi
>
> I have been using Vista for some time now and have RC1 installed. Like all
> other public BETA's, RC1 was working fine but I am now getting a problem
> trying to update Windows Vista.
>
> I have just reinstalled Vista and activated without problems but when I
> attempted to check for updates, I got the following ERROR message:
>
> X Windows could not search for new updates
> Error(s) found:
> Code 8024400A
>
> Prior to reinstalling RC1, updating Windows was not a problem, so why is it
> happening now?
>
> I have followed the info for automatically detecting LAN settings in
> internet options/connections (and we have never had to do this before -
> update just worked), but that did not resolve the problem.
>
> I have also seen something about the network using a proxy server but we are
> not using a proxy server and never have done.
>
> This problem has never ocurred before and certainly never with Vista and
> what I don't understand is that after Vista installation, I was able to
> immediately activate it.
>
> I would appreciate some help ASAP.
>
> Regards
>
> Dave
>[/color]