Windows 7 Upgrade....not genuine warning

[Brenda47]

I bought a new Studio XPS for video editing. It came with W7 Home Premium on it. So, I purchased the W7 Professional upgrade, at Best Buy, where I purchased the pc. I also bought a copy of the new MS Office at the same time. The W7 upgrade came in a package, no disc, just the registration key that opens the program. I did not use pc much, as I was remodeling my new home office/studio. I now have connected it to the internet, and I get, "THIS COPY OF WINDOWS IS NOT GENUINE." However, it is a valid purchased copy with box, et el. I tried validating per the usual instructions, and I have an email in to Microsoft. Is this a common problem? Am I missing a patch or something?
Thanks for any suggestions.

 

[Nibiru2012]

If you entered the correct product key off of the box, then it all should be good.

If not, enter it and try again. If no success, call M$ support and they'll get you fixed up. Their are there to help, not give you a hassle. Could just be registry item.