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can't use product key
I purchased a 3 device Norton security - after installing I could not install in my other two devices . I thought it may be because there was a previous Norton installed by another person for which I had no password- so I uninstalled the old Norton- I tried reinstalling in my first computer but every time I punch in my product key it kicks it out saying either invalid key or it's used on another device . please help to resolve my problem. I bought the Norton product late April 2015.
regards dr parag