No, i haven't downloaded anything today. I accidentally clicked something on a website thats like buzzfeed and then i got this pop up that would keep coming up no matter how many times i clicked ok or the close button. Since i could not do anything else, i had to force shutdown my computer. I have tried to look in my safari extensions but there are non. I called the number it said for that pop up and they wanted to charge me $250 to get rid of it. So of course i said no. I did have MacKeeper for a while but i deleted it after i got the ad pop ups. Also in my browser, random words will be blue and if i hover over them, they're links "powered by PJS-4.2"
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and i have tried completely turning off extensions, even though i have none