Windows 7 Not Genuine Message after migrating to SSD

Hi all I did the following a month ago, but it's only today that I'm getting the "Windows Not Genuine" popup. My laptop's hard drive was acting up, so I got advice to replace it with an SSD. So, after installing the SSD in my laptop, and re-installing Windows 7 from scratch (see my other posts here looking for help), I had a nice new setup on my laptop and everything seemed to be working...