Norton Ghost 15.0 during installation Product license key entered however invalid key error appears. How to solve this problem on windows XP SP3 computer system 32 Bit

I used Norton Ghost 15.0 IN on my computer system properly from last 5 years.

Due to some reason it was installed and installed again.

During installation I entered product valid license key [Removed].

However it display error as 'Please enter the correct license key' 

I am using Windows XP SP3 computer system (32 bit).

How to solve this problem to use Norton Ghost 15.0

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