React setup error can u guys help me to solve

Question

Starting the development server...

events.js:292
throw er; // Unhandled 'error' event
^

Error: spawn cmd ENOENT
at Process.ChildProcess._handle.onexit (internal/child_process.js:268:19)
at onErrorNT (internal/child_process.js:468:16)
at processTicksAndRejections (internal/process/task_queues.js:84:21)
Emitted 'error' event on ChildProcess instance at:
at Process.ChildProcess._handle.onexit (internal/child_process.js:274:12)
at onErrorNT (internal/child_process.js:468:16)
at processTicksAndRejections (internal/process/task_queues.js:84:21) {
errno: -4058,
code: 'ENOENT',
syscall: 'spawn cmd',
path: 'cmd',
spawnargs: [ '/s', '/c', 'start', '""', '/b', '"http://localhost:3000/"' ]
}
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! demo-app@0.1.0 start: `react-scripts start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the demo-app@0.1.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR!

Answer 1

I did quick Google and found that apperently a lot of people had this issue.

Here's how you fix it.
https://stackoverflow.com/questions/60337409/npm-start-issues-with-react-3-4-0

https://github.com/facebook/create-react-app/issues/7061

Answer 2

npm install react-scripts@2.1.8
npm start

These two lines save my day. The above problem occurred to me after I deploy react app on GitHub pages and try to test the local app by connecting with Heroku backend.