Error in node.js internal/modules/cjs/loader.js:883

error loader.js:883 in node.js

internal/modules/cjs/loader.js:883
  throw err;
  ^

Error: Cannot find module 'C:\Users\oscar\Desktop\node\03- bases node\helpers\app.js'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
    at Function.Module._load (internal/modules/cjs/loader.js:725:27)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)
    at internal/main/run_main_module.js:17:47 {
  code: 'MODULE_NOT_FOUND',
  requireStack: []
}

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Solution one:

check that it is in the path of your app.js and execute from that address

path of my app.js file:
Users \ mipc \ Desktop \ node \
run:
node app.js

Solution two:
(from linux or look for its equivalent in windows)
rm -rf node_modules
npm install

Solution three:

run npm update or
Delete the node_modules directory
Delete the package-lock.json file
Run npm install
Run npm start

in spanish

revisa que este en la ruta de tu app.js y ejecuta desde esa direccion
opcion uno:

ruta de mi archivo app.js :
Users\mipc\Desktop\node
ejecutar:
node app.js

opcion dos:
(desde linux o buscar su equivalente en windows)
rm -rf node_modules
npm install

opcion tres:

ejecutar npm update o
Delete the node_modules directory
Delete the package-lock.json file
Run npm install
Run npm start