To prevent the Java Update icon from appearing in the system tray, configure Java to never check for updates automatically.

1. Sign into the PC as admin
2. Select the Windows Start icon > Control Panel.
3. Open the Java Control Panel.
4. Select the Update tab.
5. Remove the check from Check for updates automatically.
6. Select Never.
7. Select OK to close the Java Control Panel.

Prevent Java from running at startup.

1. Select the Windows Start icon, type msconfig in search, and select msconfig.exe.
2. Select the Startup tab.
3. Remove the check from Java(TM) Platform SE Auto Updater 2.0.
4. Select OK.