Após as instalação dá a mensagem abaixo. Estou com o node 12.2.0:
> react-scripts start
Starting the development server...
events.js:173
throw er; // Unhandled 'error' event
^
Error: spawn cmd ENOENT
at Process.ChildProcess._handle.onexit (internal/child_process.js:249:19)
at onErrorNT (internal/child_process.js:442:16)
at processTicksAndRejections (internal/process/task_queues.js:84:9)
Emitted 'error' event at:
at Process.ChildProcess._handle.onexit (internal/child_process.js:255:12)
at onErrorNT (internal/child_process.js:442:16)
at processTicksAndRejections (internal/process/task_queues.js:84:9)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! 01-componentes-reutilizaveis@0.1.0 start: `react-scripts start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the 01-componentes-reutilizaveis@0.1.0 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\Afranio\AppData\Roaming\npm-cache\_logs\2019-09-14T02_51_46_858Z-debug.log