If an update to the Dolby Access app or a Windows update breaks the functionality, a is often the only immediate fix. Forum Post - Dolby Professional Support
Ensure you are running the app with Administrator rights. 4. When to Roll Back Updates
Go to Windows Settings > Apps > Dolby Access . Select Advanced Options > Reset . dolby-atmos-driver-3-20500
If you are working with the (Professional Applications):
Dolby Atmos brings immersive, spatial audio to Windows 10/11, but users often encounter issues where the spatial sound stops working, the Dolby Access app fails, or the driver becomes corrupt. These problems frequently arise after Windows updates or when using specific hardware like Realtek audio chips. If an update to the Dolby Access app
If the renderer crashes on startup, it may be blocked by other ASIO drivers. Try disconnecting USB audio interfaces or removing unused audio virtual devices.
If it fails, disable "Fast Startup" in Windows Power Options to ensure drivers load correctly. When to Roll Back Updates Go to Windows
Resolving Dolby Atmos Driver Issues on Windows (Version 3.20500 & General Fixes)