This article is for those users of Windows who bought their license and hence it is legal for them to use their version of Windows. The problem here is that, when you first install your Windows Vista or Windows 7, all is well and after few days your screen turns black and at the bottom right corner of your screen is a message saying “This copy of Windows is not genuine“. This message can be correct. Your Windows® Product Key is either NOT valid, or the key that you used during… Read More