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How can I run or activate Java in the browser?

This article applies to:
  • Platform(s): Macintosh OS X, Windows 2000, Windows 7, Windows 8, Windows XP, Windows 10
  • Browser(s) Chrome, Firefox
  • Java version(s): 7.0, 8.0

Internet Explorer - Out-of-date ActiveX control blocking

Internet Explorer (IE) has a new security feature, called ActiveX control blocking, to keep ActiveX controls, such as Java, up-to-date. This feature will prevent the app or web page from loading, if it finds that Java is out-of-date and will provide the option to update Java.

Java(TM) was blocked because it is out of date
When the ActiveX control blocks an older Java version, you'll see:
  • In Internet Explorer: a notification bar, similar to Java(TM) was blocked because it is out of date and needs to be updated and options to Update or Run this time
  • Outside IE: an Internet Explorer Security dialog, A website wants to open web content using an outdated program on your computer and options to Allow or Don't Allow running the application, as well to Update the old version.
Update Java

It is recommended you update Java before allowing the app to run. Click Update and download the latest Java version. If you don't trust the site or prompt, you can visit the web site to get the latest version.

The out-of-date ActiveX control blocking applies to:
  • Windows 7 SP1 Internet Explorer 8 through Internet Explorer 11
  • Windows 8 Internet Explorer for the desktop
» ActiveX control blocking (Microsoft blog)

Firefox - Activate Java plug-in

Firefox implemented a new Click to Play security feature that protects against attacks, targeting plug-ins that are known to be vulnerable. This feature prevents applets from automatically loading and allows users to control what content they want to run or avoid.

  • If you try to run a Java applet using a Java plug-in version that is identified as vulnerable, Firefox will prevent the applet from automatically loading and alert you that the plug-in is vulnerable.
  • If an update is available, Firefox will provide the option to update or activate the plug-in. We recommend checking for updates before activating the plug-in.
  • Additionally, Firefox provides an option to block or automatically activate the plug-in on a per-site basis.

» Click to Play on Firefox (

Chrome browser versions 42 and above. Starting with Chrome version 42 (released April 2015), Chrome has disabled the standard way in which browsers support plugins. More info

Chrome - Run Java plug-in

The Chrome browser blocks Java plug-in versions that are out of date or have been identified with security risks. In order to run the plug-in, you will need to respond to a message or an icon displayed near the address bar of the Chrome browser. Clicking on the icon will display Plug-ins were blocked on this page and plug-in options.

Plug-in out of date

We recommend updating the plug-in before allowing the plug-in to run.

Java(TM) needs your permission to run

You can choose to always run the plug-ins on the site, continue blocking the plug-ins, or run the plug-ins only for the session.

  • If you choose to always allow running the plug-ins on the site, the plug-ins will run and you not be asked for permission when you visit the site again.
  • If you choose to run the plug-ins only for the session, the plug-in content on the page will run only until you leave the page. You will be asked for permission the next time you visit the page.

In addition, you can customize how Chrome handles plug-ins (Click to Play or Block All) under Chrome Content Settings.
» Chrome plug-in (
» Chrome out of date plug-in (
» Chrome blocked plug-in (

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