do you have another computer or a friend with a computer? you are going to have to get to the internet to fix this most likely but here are a few things to try. Open Internet explorer goto the gear hit internet options then advanced tab then at the bottum hit reset dont hit the personal settings box. Next option system restore. Start/programs/accessorys/systemtools/ click system restore and pick a date back before you had the problem. If none of that worked goto another computer and download malwarebytes and a program called combofix run these and come back here and tell us if things are any better.
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