npm ERR! code ENOTFOUND
npm ERR! errno ENOTFOUND
npm ERR! network request to https: //registry.npmjs.org/@angular%2fcli failed, re
ason: getaddrinfo ENOTFOUND proxy.company.com proxy.company.com:80
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 settin
gs.
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\welcome\AppData\Roaming\npm-cache\_logs\2018-09-01T18_58_2
8_089Z-debug.log

If your are not beyond proxy and getting above error then run below two commands

npm config delete proxy
npm config delete https-proxy