P2P software is installed. (Limewire)...
This is a likely source of malware.
If you have a virus or other malware infection, P2P software will need to be removed...
Is your AV, Antispy, and Firewall software up-to-date (and properly configured)?
If you have a virus or other malware, you will likely wish to start a new thread in that area...
See this information if you think this may be a possibility.
You need to read, understand, and strictly follow the directions
which you find at the top of virus and malware board.
Start with...
https://www.techspot.com/vb/topic120350.html
Then ...
https://www.techspot.com/community/...lware-removal-preliminary-instructions.58138/
Followed by ...
https://www.techspot.com/vb/topic65943.html
If you find malware / virus infections, you will want to start a new thread there...
Once you have posted the three (3) logs mentioned in the 8 steps,
one of the experienced helpers will be more able to assist you.
How to post your Hijackthis log-file as an ATTACHMENT:
https://www.techspot.com/vb/topic19133.html
Good Luck. Repost if you have difficulties along the way.