I let a 13 yr old play yahoo games on my computer. She went onto FB and down loaded a game from that site and by the next morning I had serious problems. My son is a computer wizard and he traced it back to that game. Well there was no saving my computer. He got me a new one and while setting it up he had me repeat 3 rules. No one uses my computer but me - I do not know enough about computers to down load anything. - Free downloads are never ever free.