Getting an error cb() never called

What I Wanted to Do

npm i

What Happened Instead

npm WARN registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: sha512-Kuftwii762ZML47J4Zel2NXtqYsoucd0P2LDcHkLBdP0bSUrz5mcXgDWuF62AU4IcK58Iuyn63fQBdTHf7g1Og== integrity checksum failed when using sha512: wanted sha512-Kuftwii762ZML47J4Zel2NXtqYsoucd0P2LDcHkLBdP0bSUrz5mcXgDWuF62AU4IcK58Iuyn63fQBdTHf7g1Og== but got sha512-u9tOQHaqh8G9F01jP6PcFYznDzwuwObEnTP+5T1O3f0cgCHxop5MHwQYGSqbaWkOPd1mbFNt1EWJnJJOaQfCkg==. (405732 bytes)
npm WARN registry Using stale data from https://registry.npmjs.org/ due to a request error during revalidation.
npm WARN deprecated left-pad@1.3.0: use String.prototype.padStart()
npm ERR! cb() never called!

npm ERR! This is an error with npm itself. Please report this error at:
npm ERR! https://npm.community

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\paolo\AppData\Roaming\npm-cache_logs\2019-08-15T18_47_49_385Z-debug.log

Reproduction Steps

Details

Platform Info

$ npm --versions
<!-- paste output here -->
{
  npm: '6.10.2',
  ares: '1.15.0',
  brotli: '1.0.7',
  cldr: '35.1',
  http_parser: '2.8.0',
  icu: '64.2',
  llhttp: '1.1.4',
  modules: '72',
  napi: '4',
  nghttp2: '1.39.1',
  node: '12.8.0',
  openssl: '1.1.1c',
  tz: '2019a',
  unicode: '12.1',
  uv: '1.30.1',
  v8: '7.5.288.22-node.16',
  zlib: '1.2.11'
}
$ node -p process.platform
<!-- paste output here -->
win32

There is a troubleshooting guide here: