Java is a highly active platform and updates are available quite frequently. While this is a great thing, frequent updates may annoy users who are not into Java or do not want to have their platform up-to-date. The automatic updates can be disabled through the system configuration as shown next.
msconfigcommand as shown in the following image
While the updater can be annoying at times, one should make sure that the Java Platform is up to date as the updates may address security issues which may be exploited by malicious programs.