First step, you need to go to this link.
You should come to this page
Second step, Turn to your box, you should see this.
Third step, scratch off the gray scratch box for authentication code.
4th step, apply authentication code in the space provided.
Now , if you only apply the authentication code it will fail. Like this.
5th step, apply batch # in the serial # box above. You need to fill in both the serial number and the auth code to validate the product.
6th step validate.
Its this simple.. i hope this helps anyone having problems authenticating there products.