# Cannot view 0.0.0.0:3000 in browser, and localhost:4000 gives error

**URL:** <https://meta.discourse.org/t/cannot-view-0-0-0-0-3000-in-browser-and-localhost-4000-gives-error/41357>\
**Category:** Development\
**Created:** [March 21, 2016, 9:36am UTC](https://meta.discourse.org/t/cannot-view-0-0-0-0-3000-in-browser-and-localhost-4000-gives-error/41357 "2016-03-21T09:36:52Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)\
**Post date:** [March 21, 2016, 4:31pm UTC](https://meta.discourse.org/t/cannot-view-0-0-0-0-3000-in-browser-and-localhost-4000-gives-error/41357/2 "2016-03-21T16:31:56Z")

</div>

The correct port is 4000 (it’s 3000 inside vagrant and 4000 outside).

Looks like you got a error on Execjs, maybe because you’re on windows - which is strange because vagrant was supposed to solve this.

The `bundle install` goes fine?

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