When you buy LW Pro from the official site www.limewire.com (was this where you went to purchase Pro? You could've been redirected to the official site for download after paying a scammer...it happens) you're covered for free updates & email support for 6 months.

After 6 months you have the option to buy again at a reduced price. Your Pro's is way out of date.

Who did you actually pay for Pro & did you buy some 'lifetime membership' thing?