我正在尝试安装Angular并出现Spawn cmd ENOET之类的错误

Question

我正在计算机上设置Angular并收到类似以下错误：

  

生成cmd ENOENT

完整的堆栈跟踪：

events.js:136
      throw er; // Unhandled 'error' event
      ^
Error: spawn cmd ENOENT
    at _errnoException (util.js:999:13)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
    at onErrorNT (internal/child_process.js:389:16)
    at process._tickCallback (internal/process/next_tick.js:152:19)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! metronic-angular@6.0.0 start: `ng serve --open`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the metronic-angular@6.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\xxx\AppData\Roaming\npm-cache\_logs\2019-04-09T07_17_18_068Z-debug.log

我已经更改了系统路径并仍以管理员身份运行，但仍收到此错误，或者npm install是否缺少任何内容 我尝试打开localhost:http://localhost:4200/，但这表明 无法访问此站点，本地主机拒绝连接。