The Java Auto Updater program (known as jucheck.exe in earlier Java versions) runs as a Windows process that checks and performs updates described in this FAQ. It
is installed as part of the Java installation
does not automatically install Java. It will present you with the option to install the latest Java version
Until the update is completed, this process will remind you that a newer secure version is available for your system. You should leave this process running in order to ensure getting the latest secure Java version.