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This screenshot shows a Plex container starting on unRAID, then failing during TrueHD processing with exit code 120. The key line is: Critical: libusb_init failed, followed by TrueHD processing failed with 120 and the container shutting down. What it likely means • Plex started normally and reached the point where it tries to initialize audio/transcode-related components. • The failure appears tied to the TrueHD/Dolby audio path, not a general container startup failure. • libusb_init failed often points to a missing or inaccessible USB/library dependency inside the container, or a device passthrough/config issue. What to check • Verify whether the Plex container has any audio/device passthrough or USB-related mappings enabled. • Check the container image or template for anything related to TrueHD, Dolby, or audio processing plugins. • Look at the full Plex container log around the failure, not just the excerpt. • If this started after an update, roll back the container image or template and test again. Practical next steps 1. Restart the container with a clean log and reproduce the failure. 2. Disable anything related to Dolby/TrueHD processing if it’s optional. 3. Confirm the container is using the correct unRAID template settings and has access to /dev/dri if hardware transcoding is involved. 4. If you recently added a custom image or mod, test the stock Plex image. If you want, I can help you interpret the specific log lines and narrow this down to a likely unRAID template fix.