Never download an executable from a porn site.

Beware, it may take over your system:

Hidden Dangers in Visiting Porn Sites

Well duhhhr ...... I never EVER!! Download anything from anywhere that I don,t trust! Even emails from friends. I sent any email to someone one time ferom someone I trust and unknown to them and myself it contained on on worm. So come on everyone you must practice safe downloading. You never know what you could be passing on to someone you love! :)

I thought that was something mom's taught kids when they're tiny...just before they told them to 'never accept lifts from strangers'.