Whenever I tried to install angular2 fire module using npm i get the following error:
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" "angularfire2" "firebase" "--save"
npm ERR! node v6.11.0
npm ERR! npm v3.10.10
npm ERR! path E:\abcd\node_modules\.staging\base64url-fd6cd85c
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall rename
npm ERR! Error: EPERM: operation not permitted, rename 'E:\abcd\node_modules\.staging\base64url-fd6cd85c' -> 'E:\abcd\node_modules\firebase\node_modules\base64url'
npm ERR! at destStatted (C:\Program Files\nodejs\node_modules\npm\lib\install\action\finalize.js:25:7)
npm ERR! at C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\polyfills.js:264:29
npm ERR! at FSReqWrap.oncomplete (fs.js:123:15)
I am new to angular2 as well as firebase. whether I need to install polyfill module? or where I'm wrong?