As Microsoft extended support has ended for Vista, I thought the following article might be of some use. This Weird Web Page Glitch Could Crash Your Windows Computer It mentions 7 and 8 as well, but 7 is in the extended support stage until 2020 and 8 is still in mainstream support. In any case, this seems to be only real danger and easily fixed... Yes I know upgrades are a hassle and W10 is just a plot to observe your every move. But I look at it this way... as you are sitting there in your underwear reading this... someone from the government could be watching you this very moment. So entertain them!! After that image... how bad can Windows 10 really be?