Spyware and adware are both dangerous programs that install on the computer often with you knowing. They may steal personal information (including credit and social security numbers), bombard you with pop-up slowly, and generally displays the computer with a crawl.
And, unfortunately, very often the biggest culprit in the spread of spyware programs via peer-to-peer file sharing. A program of peer-to-Peer is one that can send and receive user which files on your hard disk by a dedicated network of agents. Many of the programs you use to download music and movies often P2P.
Finding a non spyware P2P can be difficult. Many claim that there is no spyware, but in fact infect your computer secretly additional installers. For example, Kazak long claimed that a spyware P2P is still one of the worst offenders on the Internet today. My computer was destroyed by spyware Kazak, I can vouch for the deadly consequences. Go to the official website and download frostwire free.
But be careful with Lime Wire, Bit Torrent, or wire, frost is not guarantee that your computer is infected with spyware or add ware. You can spyware P2P programs, but is using a P2P program depends on all the files you download. Be wary of any file, exe and still have an anti-spyware scan all downloaded files.