How to explain the failure of sending information in QQ protected mode?

QQ is protected because the QQ number is illegal in the use process, some bad information, pictures and so on. Is released, affecting the use of normal users. If you don't publish it yourself, you can use Tencent mobile phone housekeeper to thoroughly kill it and then modify the password. It is best to use Tencent mobile phone housekeeper to set QQ protection, which can realize login risk warning, remote login prompt, emergency freezing and other functions to reduce the occurrence of QQ being DAO.