Hi cerafil.
After finding so many bogus files, its my recomendation that you Defragment
your computer, that will help speed things up for you.
also stay away from .exe,.rar,.zip files, they are 99.9% viruses.
Here's another exelent Free program that is used by the experts.
When using P2P, I sujest you run a scan befor turning off your computer,
Some nasties, become active once you reboot, so a scan with SpyBot, may
clear these before they become a problem.
Oh! dont use the advanced options,Before reading all the facts, you could damage your computer.
Use this link to get SpyBot search n destroy.

http://www.safer-networking.org/en/mirrors/index.html
Peace.

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mickjapa108