I bought a new Gateway Media Center Powerhouse system that came with Windows XP and MS Office Standard Edition 2003 preloaded. System is working fine but am facing problem with the office. Whenever am trying to open any office application, it prompts me for Product key. First I was not aware where can I get the product key but later I found it behind my system on a sticker. I noted the same and entered the key when prompted but it says 'You have not entered a valid product key' .
First, when I bought the system I asked them whether it is trial, they said no. Second, though entering the key mentioned behind it is saying wrong product key. What I can I do to fix it ?
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