Error: EPERM: operation not permitted, unlink ‘D:\Sources\**\node_modules\fsevents\node_modules\abbrev\package.json’

It is an npm 5.4.0 issue https://github.com/npm/npm/issues/18287

Workarounds are

  • downgrade to 5.3
  • try running with –no-optional, i.e. npm install --no-optional

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