System problem: There are some compatibility problems between the system and the software using Baidu novel reader plug-in, which leads to unsuccessful installation. It is recommended to try to replace other devices or systems. Software problem: there is a BUG in the development of the software itself, which is incompatible with the system, leading to the failure of installation. In this case, it is recommended to update to the latest version first. If the problem persists, try to replace the system or hardware equipment.