Most likely the cause of the problem as without activating Windows you will not be able to download and install any Windows patches, this means a couple of things with the three most important being that your system is at risk of malware attack, what you have is basically an illegal OS and we cannot help you any further until you have purchased an appropriate product key and activated Windows.
3. Discussion of or promotion of sites offering cracks, warez, torrents, pornography or any other illegal material or any software created to download any of the above will result in an immediate ban. This includes nulled, copied or any other illegal software or operating systems.