I have a windows7. I always send mail through yahoo. I am fine with the service. When I received any massage and if any attached file present over there then I try to open it. But I cannot able to open this attachment file when try to open then it show one pop up massage on my computer screen .and the massage is “New window blocked by a popup blocker. Add Yahoo! Mail to the list of allowed sites”. Please help me out about this problem.
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