Whether they want to or not, users can be exposed to naughty pictures while accessing the web. Or perhaps users spend all day downloading pornography. But no matter how files get there, viewing said materials could inflict psychological injury and worse, this could leave files behind on the system. Now software tools are available that could detect the presence of disgusting pornographic images that have taken up residence on the PC. Advanced products like Snitch can clean computer files with smart processing, as well as help clean out suspicious or unsuitable materials residing on your computer.