Cubase 10,5 won't open - ARA service error message

I have had trouble with Cubase since this summer. In the end Cubase support said that my USB ports were too old (not supported by Win 10), even though they had worked with Cubase for years. Because support refused to help me further I bought a new computer. I also upgraded from 9,5 to 10,5. And I still have issued. Cubase freezes when I try to open it… What is wrong? The latest error message I get is attached.
Any suggestions on how I can fix this once and for all and get back to work?


How old is your USB-eLicenser (dongle), please?