LimeWire has no subscription fee associated with it. And paying a fee to anybody does not give you the right to download copyrighted files. You were scammed by the sight that sold you LimeWire. LimeWire basic is free. And Pro cost $18.88 US for pro and 6 months of free upgrades nothing else. The link below may be of some help.
http://www.gnutellaforums.com/general-windows-support/40161-membership-warning-beware-download-p2p-clients-only-thru-official-sites.html