one important question did you get limewire pro from www.limewire.com? I dont know about other P2P apps but limewire has no toolbars and you better run an anti virus program as soon as possible. you got infested.

http://www.snapfiles.com/freeware/security/fwvirus.html

This is a trusted site with some free AV tools to help you. I use AntiVir as it get rid of every single virus/trojan new or old.