I got some similar sort of error, while installing NPM
errors are like below
C:\Users\full>npm install @mermaid-js/mermaid-cli
npm ERR! code ENOTFOUND
npm ERR! syscall getaddrinfo
npm ERR! errno ENOTFOUND
npm ERR! network request to http://registry.npmjs.org/@mermaid-js%2fmermaid-cli failed, reason: getaddrinfo ENOTFOUND registry.npmjs.org
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\full\AppData\Local\npm-cache\_logs\2022-12-