"Your device or computer cannot be verified" from Apple store

I am new to Hackintoshing; I have played with Linux several times but being from the Windows camp from DOS days forward, I need a viable alternative to the impending forced (by hook or crook) upgrade from my beloved Win 7. So I am trying the Hackintosh route. I am at Snow Leopard now (installed using OSX86 Mod CD and Apple retail DVD. I purchase from my new Hackintosh Mountain Lion from the Apple Store. IT let me update Snow Leopard to the 10.6.8. My kernel is Darwin 10.8.0. When I go to...

"Your device or computer cannot be verified" from Apple store