Cubase 5.5.2 Update
November 9th, 2010
This patch updates any installed Cubase 5 installation to the current version Cubase 5.5.2!
Please note that you might need to insert the original Cubase 5 installation DVD during the update process!
Here the link to update page
http://www.steinberg.net/index.php?id=1782&L=1