Can not start
One: First check whether the runtime library is missing; Two: Check that the installation path requires Chinese characters and spaces. Three: The port is occupied; Four: Re-uninstall, delete all files and reinstall it
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
One: First check whether the runtime library is missing; Two: Check that the installation path requires Chinese characters and spaces. Three: The port is occupied; Four: Re-uninstall, delete all files and reinstall it