phoenix framework - invalid argument at new Socket - windows

Hi i cant be able to run a new phoenix app, this is the error im getting, im not sure what it can be. I tried changing the port, also it seems that im able to run node correctly.

Compiled web/views/error_view.ex
Compiled web/controllers/page_controller.ex
Compiled web/views/page_view.ex
Compiled web/views/layout_view.ex
Compiled lib/test_phoenix/endpoint.ex
Generated test_phoenix app
[info] Running TestPhoenix.Endpoint with Cowboy on port 4000 (http)

net.js:156
    this._handle.open(options.fd);
                 ^
Error: EINVAL, invalid argument
  at new Socket (net.js:156:18)
  at process.stdin (node.js:664:19)
  at bindWatcherEvents (c:\Desarrollo\Phoenix\test_phoenix\node_modules\brunch\l
ib\watch.js:597:12)
  at c:\******\Phoenix\test_phoenix\node_modules\brunch\lib\watch.js:667:9
  at c:\******\Phoenix\test_phoenix\node_modules\brunch\lib\watch.js:557:16
  at c:\******\Phoenix\test_phoenix\node_modules\brunch\lib\watch.js:188:12
  at c:\******\Phoenix\test_phoenix\node_modules\brunch\node_modules\async-e
ach\index.js:24:44
  at c:\******\Phoenix\test_phoenix\node_modules\brunch\lib\watch.js:175:14
  at Object.cb [as oncomplete] (fs.js:168:19)