I’m using NitroPDF
I used add/remove programs to get rid of Java. Maybe that will do the trick.
I downloaded the Java removal tool and tried to run it just to make sure, but get the message that this is not a valid Win32 application?
The best application to remove programs is Revo Unstaller (freeware).
I’d be wary of a removal tool unless I really knew it was legit.
Here are reasons you might be getting the “not valid” warning:
http://www.computerhope.com/issues/ch000726.htm