显示Authentication failed. Invalid product key! 怎么解决？？？？
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EricPhone
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你可以用购买key时填写的邮箱在na.buddyauth.com注册并登录,在key页面查询你的key,看是否key输入正确,如果查询到key正确你可以在登录时切换到其他服务器进行登录试试