If you changed the OBS Studio install location while installing OBS, the plugin might be missing.Below are various reasons why the plugin may not be installed, and the warning message appears. With the release of Stream Deck 5.3, the OBS Studio plugin is always placed in the default OBS Studio install location C:\Program Files\obs-studio. Please read this separate article if you are using OBS Studio 28 and have any difficulties with the latest Stream Deck Plugin. Please follow these steps if you are using Stream Deck 5.2 or earlier. This article will cover troubleshooting steps such as the 'Waiting for OBS.' error message for Elgato Stream Deck 5.3 or later and OBS Studio Integration 2.0.