Error with the spawned command: serve

While setting up the environment for the ionic, I got an error with the command “ionic serve”. I am using a windows machine. Kindly guide me how to resolve this error.

C:\Users\rohit\feed>ionic serve

ionic-hello-world@ ionic:serve C:\Users\rohit\feed
ionic-app-scripts serve “–v2” “–address” “” “–port” “8100” “–livereload-port” “35729”

throw err;

Error: Cannot find module ‘reflect-metadata’
at Function.Module._resolveFilename (module.js:325:15)
at Function.Module._load (module.js:276:25)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object. (C:\Users\rohit\feed\node_modules@ionic\app-scripts\dist\aot\aot-compiler.js:4:1)
at Module._compile (module.js:409:26)
at Object.Module._extensions…js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)

npm ERR! Windows_NT 10.0.14393
npm ERR! argv “C:\Program Files (x86)\nodejs\node.exe” “C:\Program Files (x86)\nodejs\node_modules\npm\bin\npm-cli.js” “run” “ionic:serve” “–” “–v2” “–address” “” “–port” “8100” “–livereload-port” “35729”
npm ERR! node v4.6.1
npm ERR! npm v2.15.9
npm ERR! ionic-hello-world@ ionic:serve: ionic-app-scripts serve "--v2" "--address" "" "--port" "8100" "--livereload-port" "35729"
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the ionic-hello-world@ ionic:serve script ‘ionic-app-scripts serve “–v2” “–address” “” “–port” “8100” “–livereload-port” “35729”’.
npm ERR! This is most likely a problem with the ionic-hello-world package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! ionic-app-scripts serve “–v2” “–address” “” “–port” “8100” “–livereload-port” “35729”
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs ionic-hello-world
npm ERR! Or if that isn’t available, you can get their info via:
npm ERR!
npm ERR! npm owner ls ionic-hello-world
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! C:\Users\rohit\feed\npm-debug.log
There was an error serving your Ionic application: There was an error with the spawned command: serve