Don't purchase. Full version of Bookworm Deluxe can be downloaded for free, just search it at Google. For instance, here's one ---> ApunKaGames Link and many more like this.
Unlock codes are usually keyed to your login to your computer identity, and you have to input the user id the exact same way you did when you registered the product. "Lee Gunn" is not the same as "lee gunn"
Bejeweled has been giving so many people a lot of problems, it also happened to me, I uninstalled it, and then reinstalled it and now it's working fine again.