npm ERR! The operation was rejected by your operating system. npm ERR! It's possible that the file was already in use (by a text editor or antivirus), npm ERR! or that you lack permissions to access it. npm ERR! npm ERR! If you believe this might be a permissions issue, please double-check the npm ERR! permissions of the file and its containing directories, or try running npm ERR! the command again as root/Administrator (though this is not recommended).
npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2019-05-18T14_09_28_926Z-debug.log