If you are having a problem trying to install the SP3 update ("not enough disc space") go here to get the microsoft fix.
http://www.windowsreference.com/general/error-there-is-not-enough-disk-space-when-installing-sp3/
Restart after the regedit.
You may need to redownload the file.
http://www.windowsreference.com/general/error-there-is-not-enough-disk-space-when-installing-sp3/
Restart after the regedit.
You may need to redownload the file.