Npm ERR! ALGUEM SABE COMO RESOLVER?

Programação Node.js
#1

Estou tentando baixar algumas extensoes pra iniciar um codigo e nao consigo por conta destes erros abaixo:

npm ERR! code ENOTFOUND 
ND proxy.company.com
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config'

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Alan\AppData\Roaming\npm-cache\_logs\2021-10-22T03_18_42_639Z-debug.log    
PS C:\Users\Alan> cd C:\Users\Alan\Desktop\node-api\Projetogit
PS C:\Users\Alan\Desktop\node-api\Projetogit> npm install express                                
npm ERR! code EJSONPARSE
npm ERR! file C:\Users\Alan\Desktop\node-api\Projetogit\package.json
npm ERR! JSON.parse Failed to parse json
npm ERR! JSON.parse Unexpected token } in JSON at position 101 while parsing near '...  "license":"MIT",
npm ERR! JSON.parse }'
npm ERR! JSON.parse Failed to parse package.json data.
npm ERR! JSON.parse package.json must be actual JSON, not just JavaScript.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Alan\AppData\Roaming\npm-cache\_logs\2021-10-22T03_19_59_294Z-debug.log
#2

mostra seu package.json

#3

{

"name": "node_heat",

"version": "1.0.0",

"main": "index.js",

"license":"MIT",

}

#4

não pode ter essa virgula no final, tem que ser:

{
   "name": "node_heat",
   "version": "1.0.0",
   "main": "index.js",
   "license":"MIT"
}