But still getting the error Windows 7 not genuine or, this copy of windows is not genuine build 7601 / 7600, then this tutorial is for you.
If you have tried entering the product Key again and again or used any software/Patch to crack Windows activation. In all these three cases you get the error after booting to the PC, that Windows is not genuine, and also desktop background changed to a black screen. You won’t be able to change the background as you like. There is also a chance that a Windows update caused this problem.
This error occurs because either you are not running a genuine copy of Windows or your license/product key got expired.
This Copy of Windows is not genuine” OR “ Windows 7 Not Genuine” is a really annoying issue.