Microsoft Internet Explorer 11 always redirects to Java download page instead of starting the applet
If Microsoft Internet Explorer 11 (IE11) always redirects your web page to the Java download page, but you know for
sure that the most up to date version of Java is installed, then please check if you have an up to date version of
the 'deploy.js' script.
Check the official source at https://www.java.com/js/deployJava.js.
Some older versions of the 'deploy.js' script could not detect MS IE11 and thus the Java detection failed. For more details, see http://stackoverflow.com/questions/20085015/deployjava-js-not-detecting-jre-in-ie-11.