Disable or change Java permissions using the Windows Group Policy Editor

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We saw yesterday how to uninstall or deactivate Java on different browsers on a Windows machine. This article shows you how to disable Java or change its permissions using the Group Policy Editor on Windows 7 or Windows 8.

Disable Java with group policies

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Open the group policy editor and navigate to the next parameter :

Computer Configuration Management Models Windows Internet Explorer Components Internet Control Panel Security Page

Now you see Java Permissions in the right pane. Double-click to open the Policy Settings field. You can use this policy setting to disable permissions management for Java applets.

If you enable this policy setting, you can select options from the drop-down list. User-defined to control authorization settings individually.

- - Low Security allows applets to perform all operations.
  - Medium Safety allows you to run applets in their sandbox and features such as scratch space and user-controlled file I/O.
  - High security allows applets to run in their sandbox. Disable Java to prevent applet execution.
  - If you disable disable this policy parameter, Java applets will not run.
  - If you do not configure this policy setting, authorization is set to High Security.

Adjust it as required, click Apply/OK and Exit.

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