Problem
Dorico 4 hangs on launch. In the start screen, the following message is being displayed indefinitely:
"Audio engine: Waiting for connection"
Background
A possible reason are incompatible components that have been installed earlier in Steinberg's Application Support folder.
Solution
Please select your operating system.
Solution for macOS
- Restart your computer to make sure no Dorico 4 process is still running.
- Go to /Library/Application Support/Steinberg/Components/
A possible way: In Finder, select "Go to Folder..." from the "Go" menu, enter or paste the path and hit "Enter". - If present, remove the following files from the "Components" folder:
- Eucon[version].bundle
- Groove Agent SE.vst3
You can, for example, store them on the Desktop to create a backup.
Now it should be possible to start Dorico 4.
If you need to use Groove Agent SE, please install the latest version via Steinberg Download Assistant.
Solution for Windows
- Restart your computer to make sure no Dorico 4 process is still running.
- Go to C:\Program Files\Common Files\Steinberg\Shared Components
- If applicable, remove the following components:
- euconadapter[version].dll
- "Groove Agent SE" folder
You can, for example, store them on the Desktop to create a backup.
Now it should be possible to start Dorico 4.
If you need to use Groove Agent SE, please install the latest version via Steinberg Download Assistant.