FULL PRODUCT VERSION :
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
10.0.16299.64

A DESCRIPTION OF THE PROBLEM :
After the installation of Java 9 the java plugin doesn't seem to work.
I've enabled 64-bit processes for enhanced protected mode in IE 11 so that all tabs runs as 64-bit processes. The plugin doesn't seem to start at all though I've changed this.

REGRESSION. Last worked in version 8u151

ADDITIONAL REGRESSION INFORMATION:
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Install java 9.
Using IE 11 in a 64-bit tab: browse to: https://www.java.com/en/download/installed.jsp
The plugin won't start.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The plugin should start.
ACTUAL -
The plugin doesn't start.

REPRODUCIBILITY :
This bug can be reproduced always.