# PNG's a no show **URL:** https://meta.discourse.org/t/pngs-a-no-show/71634 **Category:** Support **Created:** [8 Octubre, 2017 18:29 UTC](https://meta.discourse.org/t/pngs-a-no-show/71634 "2017-10-08T18:29:53Z") **Posts on this page:** 1 **Showing post:** 15
### Author: ![slspencer](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/slspencer/32/73567_2.png) [@slspencer](https://meta.discourse.org/u/slspencer) #### Post date: [11 Octubre, 2017 23:24 UTC](https://meta.discourse.org/t/pngs-a-no-show/71634/15 "2017-10-11T23:24:51Z")
Got the message that docker version not supported Installed docker-ce, now is my forum gone? After running the latest Discourse update a few days ago, clicking the the download icon opens .txt files in a browser instead of downloading them, yet no Discourse settings were changed. Yet now .png files are displaying properly. So a deeper problem is occuring. I implemented the Discourse/Docker periodic manual full update instructions and watched error messages. All updates **.launcher rebuild app** I received an error message that docker 17.05 is not supported, minimum required is 17.06.02. Ubuntu has changed the package name from **docker-engine** to **docker-ce**. Is it safe to install docker-ce, as this won’t be an upgrade? Because of the docker version preventing app rebuild, my forum is down. ☹ What do? > [@Manually update Discourse and Docker image to latest](https://meta.discourse.org/t/how-do-i-manually-update-discourse-and-docker-image-to-latest/23325): > > bookmark This guide provides step-by-step instructions for manually updating Discourse, the Docker container, and the Ubuntu operating system on a self-hosted setup. person_raising_hand Required user level: System Administrator warning SSH access to the server. If you self-host Discourse, you occasionally need to run a manual update via the command line to get the latest security releases and newest libraries. These updates are not picked up in admin/upgrade, which is why you’ll occa… --- _[View the full topic](https://meta.discourse.org/t/pngs-a-no-show/71634)._