Did you try this:
http://support.microsoft.com/kb/957307
Additionally, run Disk Cleanup and delete all temporary files.
"Patty" <patty@xxxxxx> wrote in message
news:5D7F4D55-EDD5-4ACB-AC1D-0EF990048FDF@xxxxxx
Quote:
> I'm running Vista Home Premium.
>
> After updating to SP1, I got a message for the cumulative update: Media
> Center for Windows Vista (KB955519).
>
> Every time I try to download it, it fails. Unable to download or install,
> with error 80240016. I haven't been able to get past this or get any
> further updates since this problem started. Every time I boot I get the
> error msg that it's unable to check for updates.
>
> Any help with this matter would be appreciated.
>
> Patty
>