unable to install typings on Windows 10, Error: EPERM: operation not permitted, rename

[binaryhq]

npm install typings -g

giving following error. Pls help

C:\Users\nin\AppData\Roaming\npm
`-- (empty)

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" "ins
tall" "typings" "--global"
npm ERR! node v6.9.5
npm ERR! npm v3.10.10
npm ERR! path C:\Users\nin\AppData\Roaming\npm\node_modules.staging\term-size-2c814afc
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall rename

npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\nin\AppData\Roaming\npm\node_modules.staging\term-size-2c814afc' -> 'C:\Users\nin\AppData\Roaming\npm\node_modules\typings\node_modules\term-size'
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)
npm ERR!
npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\nin\AppData\Roaming\npm\node_modules.staging\term-size-2c814afc' -> 'C:\Users\nin\AppData\Roaming\npm\node_modules\typings\node_modules\term-size'
npm ERR! at Error (native)
npm ERR! { Error: EPERM: operation not permitted, rename 'C:\Users\nin\AppData\Roaming\npm\node_modules.staging\term-size-2c814afc' -> 'C:\Users\nin\AppData\Roaming\npm\node_modules\typings\node_modules\term-size'
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)
npm ERR!
npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\nin\AppData\Roaming\npm\node_modules.staging\term-size-2c814afc' -> 'C:\Users\nin\AppData\Roaming\npm\node_modules\typings\node_modules\term-size'
npm ERR! at Error (native) parent: 'typings' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.

npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\nin\WebstormProjects\npm-debug.log
npm ERR! code 1

[binaryhq]

downgraded npm version to 2.5.0 and it, worked

npm -g install npm@2.5.0

npm install typings -g