That sounds like you have some sort of Spyware or something sinister on your computer...
I'd run a few system scans with your spyware apps and your AV...
Also where did you purchase your Pro from and how much did you pay for it....It sounds like you could of purchased a scam version as most of them offer you accelarators and spyware protecton and so on...
I would get rid of the version you are running and install a clean limewire basic (which you will find in my sig, just click on the button)...
accelaration patch No more internet (not just LimeWire) thanks to Accelerator 2 easy questions for you smart folks LimeWire Accelerator Patch?