Problem with npm start (error : spawn cmd ENOENT)

I have a problem with my application. Because before when I created an application it worked, but now, it shows me this error and I do not know why and the things I have to do to fix it. Do you ha...

stackoverflow.com

node:events:498
throw er; // Unhandled 'error' event
^

Error: spawn cmd ENOENT
at Process.ChildProcess._handle.onexit (node:internal/child_process:283:19)    at onErrorNT (node:internal/child_process:478:16)
at processTicksAndRejections (node:internal/process/task_queues:83:21)
Emitted 'error' event on ChildProcess instance at:
at Process.ChildProcess._handle.onexit (node:internal/child_process:289:12)    at onErrorNT (node:internal/child_process:478:16)
at processTicksAndRejections (node:internal/process/task_queues:83:21) {
errno: -4058,
code: 'ENOENT',
syscall: 'spawn cmd',
path: 'cmd',
spawnargs: [ '/s', '/c', 'start', '""', '/b', '"http://localhost:3000"' ]
}

나를 아주 화나게 했던 오류....

갑자기 창이 켜지지 않아서 이걸로만 몇시간 삽질한지 모르겠다.

환경변수 추가하고 삭제하고 다시 깔고.....

기억해두기 위해 기록함 잊지 않겠어............