"npm install" on windows error

I'm trying to 'npm install' this projects on windows, but i am getting this error:
Thank you in advance.

```
> angular-input-masks@2.1.0 prepublish C:\projects\angular-input-masks
> gulp build

[11:26:50] Using gulpfile C:\projects\angular-input-masks\gulpfile.js
[11:26:50] Starting 'build-dependencies'...
[11:26:51] Finished 'build-dependencies' after 1.09 s
[11:26:51] Starting 'build'...

events.js:72
throw er; // Unhandled 'error' event
^
Error: Cannot find module 'validators' from './src/'
at C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:46:17
at process (C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:173:43)
at ondir (C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:188:17)
at load (C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:69:43)
at onex (C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:92:31)
at C:\projects\angular-input-masks\node_modules\browserify\node_modules\resolve\lib\async.js:22:47
at Object.oncomplete (fs.js:107:15)

npm ERR! angular-input-masks@2.1.0 prepublish: `gulp build`
npm ERR! Exit status 8
npm ERR!
npm ERR! Failed at the angular-input-masks@2.1.0 prepublish script.
npm ERR! This is most likely a problem with the angular-input-masks package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! gulp build
npm ERR! You can get their info via:
npm ERR! npm owner ls angular-input-masks
npm ERR! There is likely additional logging output above.
npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
npm ERR! cwd C:\projects\angular-input-masks
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.9
npm ERR! code ELIFECYCLE
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! C:\projects\angular-input-masks\npm-debug.log
npm ERR! not ok code 0
```
##

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