You have a virus. Try the fix in this thread: To fix the limewire keeps popping up / no taskmanager bug do the following

You can also try downloading AVG(free), update it, and scan your computer: AVG Free Advisor: AVG Anti-Virus Free


More virus info in this thread: WARNING: Viruses on network you should be aware of!

__________________
If it ain't broke, fix it till it is!