help me Windows 8 Error running the Witcher Enhanced Edition?

hello please help me because i am in trouble

I just purchase a new laptop with windows 8 on it, this is the first time I've ever used windows 8.
I installed the game, and when I go to play it, I get a message saying:
Insufficient privileges: you must be administrator when you run this application for the first time.
This account is the only account on the computer, and I checked, and I am the administrator.
On the start screen I went to the icon for the game, and I clicked and clicked on run as administrator, but I still got the same message, any ideas?
and i have it's 3 disk for your information

thank you

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