Once the installation is complete, re-enable the option to enable Java content in the browser in the Java Control panel. This is mandatory if you are running Java content in the browser.

The error Java update did not complete, Error Code 1618 prevents users from installing or updating Java on their system. Here is a working fix.

To clear the Java cache, open the Java control panel, which you can find in the Windows Control Panel or in System Preferences on a Mac.