<br>And I purchased adware Plus which got converted into a free edition. Now it says that the serial no. is invalid. What the heck is this UNLOCK KEY? How I wish I were the boss of Lavasoft. I would have been a billionare by now. AND what do online petitions mean? Moreover there are no cops in Sweden who can take them[Lavasoft Guys] to task for not refunding my cash. I know that as this is not USA this post would be deleted.