ur44: dspmix wont work if cubase is running

I hope you can resolve your problem as follows:

  1. Set VST Connections
    Add bus Stereo Out 2 and link it to UR44 Mix 2




2. Link your source (track or mix) to Stereo Out 2




3. Display Audio Hardware Setup panel by choosing [Devices]-[Audio Hardware Setup]




4. Configure your Phones