# Serviceworker.js returning a 404 error

**URL:** <https://forum.mautic.org/t/serviceworker-js-returning-a-404-error/24470>\
**Category:** Product Support\
**Created:** [June 15, 2022, 9:53pm UTC](https://forum.mautic.org/t/serviceworker-js-returning-a-404-error/24470 "2022-06-15T21:53:58Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![gnumax](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/gnumax/32/7061_2.png) [@gnumax](https://forum.mautic.org/u/gnumax)\
**Post date:** [June 15, 2022, 9:53pm UTC](https://forum.mautic.org/t/serviceworker-js-returning-a-404-error/24470/1 "2022-06-15T21:53:58Z")

</div>

Hi support,

Hi have setup new server with Mautic 4.2.0. After finishing the installation, When I access https://\<domain\_name\>/s/dashboard I land on https://\<domain\_name\>/serviceworker.js returning a 404 error.

php version: 7.4  
nginx: 1.16  
MariaDB: 10.3.32

Any idea?

Thx!