The basic version of LimeWire is free. and can be dowloaded here.
http://www.limewire.com/english/content/download.shtml
There is no subscription for LimeWire. Looks like you went to a scam. Check this link out.
http://forums.gnutelliums.com/showth...threadid=28751
Where did you get your subscription from. You may be able to contact them. If you can't contact your credit card company and explain what has happened they might be able to reverse the charges.