Some AV makers are starting to say P2P is really bad and just marking the bittorrent clients as a flase positive for a "virus" or "spyware" Ones like Kazza and Bearshare/Frostwire are spyware infested, but utorrent and azeurus isn't spyware....
With anti-viruses like Kaspersky it says almost every uninstalling program is a virus, it thinks that it is removing something that may harm the computer itself.