NPM Install Error:Unexpected end of JSON input while parsing near '…nt-webpack-plugin“:”0'

Question

When Creating a new Angular 5 project:

node version: 8.9.2

npm version: 5.5.1

My Command is

npm install -g @angular/cli

Answer 1

Even if npm cache clean --force

Try to execute the installing cmd in admin folder.
i.e C:\Users\admin
This worked out for me.