嗨所有安装npm软件包我在命令提示符下遇到以下错误请提供解决方案，因为我无法解决此错误
npm WARN registry Unexpected warning for http://registry.npmjs.org/: Miscellaneous Warning EACCES: request to http://registry.npmjs.org/@angular%2fcli failed, reason: connect EACCES 151.101.8.162:80
npm WARN registry Using stale package data from http://registry.npmjs.org/ due to a request error during revalidation.
npm ERR! code EACCES
npm ERR! errno EACCES
npm ERR! FetchError: request to http://registry.npmjs.org/core-js failed, reason: connect EACCES 151.101.8.162:80
npm ERR! at ClientRequest.req.on.err (C:\Program Files\nodejs\node_modules\npm\node_modules\pacote\node_modules\make-fetch-happen\node_modules\node-fetch-npm\src\index.js:68:14)
npm ERR! at emitOne (events.js:115:13)
npm ERR! at ClientRequest.emit (events.js:210:7)
npm ERR! at Socket.socketErrorListener (_http_client.js:385:9)
npm ERR! at emitOne (events.js:115:13)
npm ERR! at Socket.emit (events.js:210:7)
npm ERR! at emitErrorNT (internal/streams/destroy.js:64:8)
npm ERR! at _combinedTickCallback (internal/process/next_tick.js:138:11)
npm ERR! at process._tickCallback (internal/process/next_tick.js:180:9)
npm ERR! { FetchError: request to http://registry.npmjs.org/core-js failed, reason: connect EACCES 151.101.8.162:80
npm ERR! at ClientRequest.req.on.err (C:\Program Files\nodejs\node_modules\npm\node_modules\pacote\node_modules\make-fetch-happen\node_modules\node-fetch-npm\src\index.js:68:14)
npm ERR! at emitOne (events.js:115:13)
npm ERR! at ClientRequest.emit (events.js:210:7)
npm ERR! at Socket.socketErrorListener (_http_client.js:385:9)
npm ERR! at emitOne (events.js:115:13)
npm ERR! at Socket.emit (events.js:210:7)
npm ERR! at emitErrorNT (internal/streams/destroy.js:64:8)
npm ERR! at _combinedTickCallback (internal/process/next_tick.js:138:11)
npm ERR! at process._tickCallback (internal/process/next_tick.js:180:9)
npm ERR! message: 'request to http://registry.npmjs.org/core-js failed, reason: connect EACCES 151.101.8.162:80',
npm ERR! type: 'system',
npm ERR! errno: 'EACCES',
npm ERR! code: 'EACCES',
npm ERR! stack: 'FetchError: request to http://registry.npmjs.org/core-js failed, reason: connect EACCES 151.101.8.162:80\n at ClientRequest.req.on.err (C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\pacote\\node_modules\\make-fetch-happen\\node_modules\\node-fetch-npm\\src\\index.js:68:14)\n at emitOne (events.js:115:13)\n at ClientRequest.emit (events.js:210:7)\n at Socket.socketErrorListener (_http_client.js:385:9)\n at emitOne (events.js:115:13)\n at Socket.emit (events.js:210:7)\n at emitErrorNT (internal/streams/destroy.js:64:8)\n at _combinedTickCallback (internal/process/next_tick.js:138:11)\n at process._tickCallback (internal/process/next_tick.js:180:9)',
npm ERR! parent: 'test-app' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\DELL-002\AppData\Roaming\npm-cache\_logs\2017-11-21T06_54_56_016Z-debug.log
Package install failed, see above.
Package install failed, see above.