问题 提问于 2017年1月25日
windows defender is off and I have no other protection on my vista laptop, when I try to turn it on it asks for updates and when I try to do updates it says "searching for definitions" and does this forever and can't download anything. Then I try to reinstall
windows defender or windows essentials, it does the same thing, it just says "installing" and goes on for days with NO error codes or anything....what am I doing wrong.
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