here is the img description of the error
first it creates the folder (my-app), but after a few seconds it will be removed automatically. Either I installed the latest version of node.js.
$ npx create-react-app my-app npx : 98 installé(s) en 23.154s
Creating a new React app in D:\Mon-Travail-Personnel\my-work-with-REACT\my-app.
Installing packages. This might take a couple of minutes. Installing react, react-dom, and react-scripts with cra-template...
until know it's good but after : ** npm ERR! Unexpected end of JSON input while parsing near '...rg\r\n\r\nwsFcBAEBCAA'
npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\khith\AppData\Roaming\npm-cache_logs\2020-05-29T16_51_36_753Z-debug.log
Aborting installation. npm install --save --save-exact --loglevel error react react-dom react-scripts cra-template has failed.
Deleting generated file... package.json Deleting my-app/ from D:\Mon-Travail-Personnel\my-work-with-REACT Done. **