fail to create-react-app

i want to create a react-app but i coul not do this message apear C:\Users\CHRISTECHNOLOGIE>npm install --global create-react-app
‘CALL “C:\Program Files\nodejs\node.exe” “C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js” prefix -g’ n’est pas reconnu en tant que commande interne
ou externe, un programme exécutable ou un fichier de commandes.
npm ERR! path C:\Users\CHRISTECHNOLOGIE\AppData\Roaming\npm\create-react-app
npm ERR! code EEXIST
npm ERR! Refusing to delete C:\Users\CHRISTECHNOLOGIE\AppData\Roaming\npm\create-react-app: node_modules/create-react-app/index.js symlink target is not controlled by npm C:\Users\CHRISTECHNOLOGIE\AppData\Roaming\npm\node_modules\create-react-app
npm ERR! File exists: C:\Users\CHRISTECHNOLOGIE\AppData\Roaming\npm\create-react-app
npm ERR! Move it away, and try again.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\CHRISTECHNOLOGIE\AppData\Roaming\npm-cache_logs\2019-09-13T10_09_01_741Z-debug.log
please aide me