Esse é o erro que aparece no terminal, alguém pode me ajudar?
Microsoft Windows [versão 10.0.14393] (c) 2016 Microsoft Corporation. Todos os direitos reservados.
C:\Users\munir.junior>npm install gulp-cli -g npm ERR! Windows_NT 10.0.14393 npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "install" "gulp-cli" "-g" npm ERR! node v6.11.2 npm ERR! npm v3.10.10 npm ERR! code ECONNREFUSED npm ERR! errno ECONNREFUSED npm ERR! syscall connect
npm ERR! Error: connect ECONNREFUSED 127.0.0.1:3128 npm ERR! at Object.exports._errnoException (util.js:1020:11) npm ERR! at exports._exceptionWithHostPort (util.js:1043:20) npm ERR! at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1086:14) npm ERR! { Error: connect ECONNREFUSED 127.0.0.1:3128 npm ERR! at Object.exports._errnoException (util.js:1020:11) npm ERR! at exports._exceptionWithHostPort (util.js:1043:20) npm ERR! at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1086:14) npm ERR! code: 'ECONNREFUSED', npm ERR! errno: 'ECONNREFUSED', npm ERR! syscall: 'connect', npm ERR! address: '127.0.0.1', npm ERR! port: 3128 } npm ERR! npm ERR! If you are behind a proxy, please make sure that the npm ERR! 'proxy' config is set properly. See: 'npm help config'
npm ERR! Please include the following file with any support request: npm ERR! C:\Users\munir.junior\npm-debug.log
C:\Users\munir.junior>npm install gulp-cli -g