Service Pack 2

Descargue este service pack pero al instalarlo me arroja el siguiente error:


The following updates failed to be installed successfully:

Windows XP Service Pack 2

Error: There is not enough disk space to install the update(s). Free
additional space on your hard disk and then try again.

For more information about the failures, see the View installation history
page.



The following updates were not installed because you did not accept the End
User License Agreement (EULA). Install the update again and accept the EULA
when Windows Update notifies you.





The following High Priority updates may be remaining to be installed:


Security Update for Windows XP (KB840987)
Cumulative Security Update for Internet Explorer 6 (KB834707)

y estos dos ultimos updates no los encuentro en la base de datos ...que
puedo hacer?