Now comes a scheme some researchers say amounts to extortion: One site's threat to disable visitors' computers with relentless pop-up ads if they don't pay for a subscription they were automatically signed up for after a free trial.
more here:
http://www.foxnews.com/story/0,2933,313961,00.html
mcafee must be making some good money keeping users away from porn using scare tactics. this seems like complete bullshit to me, but maybe theres something I don't know