Yes you have a virus
. Alot of people seem to get it. To get rid of it will require some work on your part. Here is a link to get you started.
LimeWire continually Popping up & also Opening at System Startup (follow the other links in this post.)
Don't d/l files smaller than 1MB in size. Good luck
.
Also
WARNING: Viruses on network you should be aware of!