解决方法如下：
1、登录QQ后发现账号异常（被冻结），根据弹出的界面选择“去安全中心”。
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2、输入需要解冻的QQ账号，再输入验证码。
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3、选择解冻方式，这里我们选择第二种方式：短信验证。
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4、编辑手机短信发送至指定号码，发送成功后点击“已发送查看结果”。
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5、等待验证，验证成功后即QQ账号解冻成功。
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