How to Deal with KNOX Authentication Error During Smart Launcher Installation

This guide explains how to deal with a KNOK authentication error during Smart Launcher installation.

1) What is Smart Launcher?

Smart Launcher is an installer app for installing diagnostic apps (KDS 2.0). Users authenticate in Smart Launcher and then proceed to download and install resources (including APKs).

2) Symptoms

• A KNOX authentication error popup appears during Smart Launcher installation. 

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3) Cause and Action

• If the internet network connection such as Wi-Fi, LTE, or 5G is unstable, it may not be possible to access the Samsung KNOX server, which may cause the above symptoms.
• Please switch to a stable network or check your internet connection environment.