You've been scammed.
Pro costs $21.95 for 6 months of updates & email support, $34.95 for a year's worth. Not $49.
The link here is to the
only official site for download of basic (free) or Pro.
Lime Wire » Official Website & Free Download, BitTorrent «
Contact your bank/CC company & report this, they might be able to help you to recover your payment & can advise you on whether you should cancel your card.
Membership? - **BEWARE** - Download p2p Clients ONLY Thru Official Sites (click on link) get your $$$ BACK!!! (music members)