Erm...this is the Phex (not LimeWire) forum Next time, make sure you're in the right section before you start a thread.

Sounds like you have a virus. Click on the link below for more info. There are various fixes to try too
WARNING: Viruses on the network you should be aware of

You could also try this fix, it's worked well for quite a few people
http://www.gnutellaforums.com/showpo...&postcount=141

If those fixes don't work, or you don't feel confident to try them, you can go to Norbiesworld & ask for free computer help. There have been long delays there recently so I'd suggest you try the alternative fix first
Or, there are other help sites listed in the viruses link above.

Always make sure that you're using a good AV program. Keep it updated & scan all downloaded files before opening.