Adobe Captivate 2019 – installation stops.

Installing  Captivate_2019_x64_LS21.exe    with elevated privileges works fine on some computers (e.g. on Lenovo X380 Yoga and HP Z-Station 640). But on a Lenovo Thinkstation P920 the installation just stops after logging into Adobe CC. What is happening? Version of Windows 10 is 18.03