See if this helps
http://support.microsoft.com/kb/900325
Note To install this update, you must have Microsoft .NET Framework 1.1 and
..NET Framework 1.1 SP1 installed. Windows Update detects whether these
packages are installed. Windows Update automatically installs these packages
for you.
"Neil" <> wrote in message
news:6E5CB043-A1BA-4409-9544-...
> All I am trying to do is link up my Xbox 360 with my Laptop to use the
> Media
> Centre that I have installed on my computer.
>
> I learned that I needed to Install a “Extender” Update to my Media Centre
> Software, in order for my computer to see my Xbox and visa versa.
>
> This update failed to install and I was told to Uninstall and then
> Reinstall
> a previous “Rollup 2” Update as this was preventing the “Extenderer”
> Update.
> I successfully Uninstalled the Rollup 2 and then tried to reinstall it.
> The
> reinstall starts to go through the process but soon after it comes up with
> a
> message “Unable to Install this update your computer will now be returned
> to
> a previous state” the pc then restarts and that’s as far as I can get, it
> tells me no more information on whatever the conflict could be.
> I learned that a certain Security Hotfix can prevent the Rollup 2 from
> being
> Installed but I don’t have this on my list of Security Hotfix’s so it must
> be
> something else. I also learned that a registry entry may need changing to
> do
> with the version of Media Centre that I am running but as far as I know
> this
> entry is also correct.
>
> Do you think a better Uninstaller/Installer Program would help me, even if
> only to tell me more information on what the problem could be when it hits
> the conflict. I am currently using the default windows XP Installer.
>
> My Edition of Media Centre is 2005, 3.1.
>