Updating windows media center
You will find updates for the Media Player, Outlook Express, Direct X . After you installed the optional Windows updates, reboot and check the Windows Update website again until all needed optional and all critical Windows Updates are installed!
You are also able to download updated drivers for the hardware.
The next step is to delete the (content of) folder C:\Windows\Software Distribution (which contain the update history and downloaded updates) using the Windows Explorer.Install the critical updates before you visit other websites!On the Windows Update website, use one of the above options and install all the High priority updates.After you installed the high priority critical updates, restart Windows and visit the Windows Update website again.These updates can be massive, especially if service pack 3 is not installed yet.