title: Any npm command returns error "Cannot find module yallist" even npm -v
body: <p>(node:2564) UnhandledPromiseRejectionWarning: Error: Cannot find module 'yallist'
  Require stack:
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\node_modules\lru-cache\index.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\node_modules\semver\classes\range.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\node_modules\semver\classes\comparator.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\node_modules\semver\index.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\lib\utils\unsupported.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\lib\cli.js
  - C:\Users\23354\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js
  at Function.Module._resolveFilename (internal/modules/cjs/loader.js:902:15)
  at Function.Module._load (internal/modules/cjs/loader.js:746:27)
  at Module.require (internal/modules/cjs/loader.js:974:19)
  at require (internal/modules/cjs/helpers.js:93:18)
  at Object. (C:\Users\23354\AppData\Roaming\npm\node_modules\npm\node_modules\lru-cache\index.js:4:17)
  at Module._compile (internal/modules/cjs/loader.js:1085:14)
  at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
  at Module.load (internal/modules/cjs/loader.js:950:32)
  at Function.Module._load (internal/modules/cjs/loader.js:790:12)
  at Module.require (internal/modules/cjs/loader.js:974:19)
  (Use <code>node --trace-warnings ...</code> to show where the warning was created)
  (node:2564) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error
  originated either by throwing inside of an async function without a catch block, or by
  rejecting a promise which was not handled with .catch(). To terminate the node process
  on unhandled promise rejection, use the CLI flag <code>--unhandled-rejections=strict</code> (see
  https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
  (node:2564) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated.
  In the future, promise rejections that are not handled will terminate the Node.js
  process with a non-zero exit code.</p>