To Change the Adobe Updater preferences, do the following: Start the Adobe Updater application from /Applications/Utilities/Adobe Utilities/Adobe Updater5/. When the update screen appears, click the Preferences link. Uncheck the Automatically Check for updates checkbox and click OK.
Does Adobe Reader update automatically?
Adobe Reader XI and Acrobat XI updater settings Install updates automatically (recommended): Adobe Reader and Acrobat regularly checks for important updates, downloads them, and installs them automatically. When finished, you are alerted via a small message in the system tray that your software has been updated.
