Google is currently blocking the NPAPI plug-ins in its newly released Chrome 42 by default in accordance to the phasing out so-called NPAPI plug-ins in Chrome.

However Chrome users can still override the blocking of plug-ins in Chrome for the time being before September, 2015.

  1. Type chrome://flags in the browser's address bar and hit Enter, and then scroll down to Enable NPAPI, or directly search for chrome://flags/#enable-npapi in the browser’s address bar.
  2. Enable it with a click on the link Enable.
  3. Restart the browser.

All NPAPI plug-ins installed in Chrome become available again.

Please note that this method cannot be used after September, 2015 when the NPAPI plug-ins are disabled permanently in Chrome.

Alternatively if you don’t want to manually enable the NPAPI plug-ins and yet you still require these plug-ins that Chrome does not support, you can,

  1. Either switch to another Web browser that supports these plug-ins.
  2. Or don't update Chrome and stay on a version that supports these plug-ins.
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