Check your original email sent to you with the link to your personal download page. LW Pro support & free updates is for only 6 months after you purchase (12 month option introduced a couple of months ago.) After that your name is auto-removed from their systems. Can also check first link on this page Lime Wire » Support

As for fixing your connection problem, we need these details which were splashed in front of you when you signed up to the forums: System details - help us to help you (click on blue link)