Ultra.
If you run into an issue in Streamlabs Desktop with the error “404 Not Found This API does not exist”, this is due to your version of Streamlabs Desktop being out of date.
To update the application, first uninstall the current version from your computer and then click here to download the newest version of Desktop. Once you install the newest version, the error message should go away and you are set to stream as normal.
Still having issues? Contact our support team by joining our public Discord channel or submitting a ticket.