OK aforsythLW
First update your java.
Then Delete permisions in Norton for L/W and let it re apply, giving full access.
Now! Go to,
START/Set Program Access/Change or Remove Programs,
now completely remove all versions of java.
Now! Use this Link to get JRE 6 Use the off line installer NOT the (recormended) one,
http://java.sun.com/javase/downloads/index.jsp
Disconnect from internet, close ALL apps n reinstall java.
Follow thease instructions exactly.
Your feedback will help others
Any Problems Shout.
Peace.