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Beginning with version 42, Google have disabled by default in Chrome a technology called NPAPI, something relied upon by Java to work with web browsers. This blocks the use of Java with Chrome.

If you use Chrome, this change will prevent you from using the Screen Recording function of MU Video as well as any Java-based web content added to D2L courses.

For now, Google have provided a temporary fix by way of a hidden Chrome configuration setting. For more information on that, please read on. As a long term solution, the creators of Java-based web tools, including the maker of MU Video's screen recorder, are re-engineering their tools to use other technologies.


The following is from Enabling Java in Chrome:

Why don't Java-based tools work with Chrome now?

Beginning with Chrome version 42, Google disabled by default a technology called NPAPI, a technology relied upon by Java to work with web browsers. This blocks the use of Java with Chrome.

Depending upon the version of Chrome installed on your computer, you may be able to re-enable Java in Chrome:

  • for Chrome versions 42.x through 44.x: See below for instructions that re-enable Java.
  • for Chrome versions 45.x and higher: You cannot use Java with Chrome.

How can I make Java work in Chrome again?

These instructions only work in Chrome versions 42.x through 44.x.

You can re-enable NPAPI—and therefore, Java—by:

  1. Using Chrome, follow this link: chrome://flags/#enable-npapi
    or copy-and-paste that link into the web address box in Chrome and then press return.
  2. On the page that loads, click the "Enable" link.

This will also let other NPAPI-based plugins work again, if you have others installed.