If you want to use the NPAPI-Plug-Ins regularly, you have to take one more configuration step for Chrome Version 42 and higher.
- Enter in the URL chrome://flags/#enable-npapi
- Under the configuration option NPAPI activate, click on activate
- Click on the button restart, which is shown on the configuration page below
Developer and system admins, who are looking for to support Chrome users, should read this blog and the paragraph “Running Web Start applications outside of a browser” and “Additional Deployment Options”.