I got a Windows 8 activation problem yesterday. All of a sudden, the Windows Action Center was telling me that Windows is not activated and I should do it soon. When I checked the system properties, it was telling me that the activation will be expired on 19th of July. I was like “what the hell”! That’s in a month. And I have a legit copy of Windows 8.
I tried few things, but I got the same error message every time. When I checked Microsoft help page, it seemed that the serial number I was using is not valid for the edition of Windows I had installed. I have a key for Windows 8 Pro edition as well as Media Center edition. I was supposed to have installed the Media Center edition because I used that key, but apparently I had forgotten to update the Pro edition to Media Center edition. I did, and upon restart, Windows was completely deactivated! When I tried to activate, it didn't let me. This time I got a different error code (0xC004C4AA).
