<strong>Administrator menu updates</strong> are displayed by default to Administrator users (see <a href="http://codex.wordpress.org/Roles_and_Capabilities" target="_blank">Roles and Capabilities in Wordpress Codex</a>). Uncheck this option remove Updates capabilities to Administrator users (not avaible for <a href="http://codex.wordpress.org/Glossary#Multisite" target="_blank">Multisite</a>). Check this option to restore default behavior.