Disable Java on your web browsers

December 2016



Java is a program that may be useful for some web site (online games).
Java applets allow code execution on your PC and access to your system. Running a malicious applet thus represents a security risk. Java is also installed in your web browser and if the version is not updated, it allows the infection (automatically) of your computer via exploits on malicious web site.

To disable Java from your Web browsers:

Internet Explorer


Method 1: Via the Control Panel (Java Console)
  • Go to the Control Panel.
  • Double-click on Java.
  • On the Security tab, un-check: Enable Java content in the browser.

Method 1: Disable the Java plug-in of Internet Explorer.
  • Open Internet Explorer.
  • Tools / Manage Add-ons.
  • Go to Tools and extensions, select Java and then click Disable.

Firefox

  • Just disable the Java plugin: Tools > Add-ons > Plugins tab.
  • Look for Java and click Disable.
  • Note that: Firefox can automatically disable plugins that may pose security problems (not updated).


Google Chrome

  • Open Google Chrome and in the address bar type: about:plugins or chrome://plugins.
  • In the list, find Java and click Disable.
  • Note that: If your version of Java obsolete, Google Chrome will notify you with the message "Java Plug-in was blocked because it is obsolete" each time you open an applet.

Opera

  • Open your browser
  • Click on the Opera button at the top of your window
  • In the menu that appears, go to "More tools" and click "Enable developer tools".
  • Close and restart your browser
  • Click again on the Opera button > Developer tools > Plug-ins.
  • Search for Java and Disable it.

Safari

  • Select Preferences.
  • Select the Security option.
  • Uncheck Enable Java.
  • Close the Preferences window of Safari.

Check if Java is disabled


Secure your computer

  • Keep your installed software up to date to avoid any vulnerabilities (Java, Adobe Reader and Flash).
  • Optionally you can disable the Adobe Reader plug-in from your web browser.

Related :

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