Limewire is a known spyware carrier. Were I you I would uninstall it immediately.
The run through Falcon's cleanup routine (link above blue line). Follow each step
as written and post back here when done with results.
As mentio ned in a previous post, run explorer.exe to start your desktop. Once everything
is back to normal do a shutdown and restart to make sure it stays that way, then
run through Falcon's cleanup.