Creative Cloud apps update does not start in Big Sur

I've a full Enterprise subscription with my Company.

90% of Adobe Suite apps are installed (Photosop, Lightroom. Audition, Dreamweaver, Illustrator, etc.) and do work well.

Now i see that Creative Cloud app says that most of them have to be updated.

But when I go to the update tab and try pressing the button "update all", or one-by-one try updating the single apps... nothing happens.

No error msgs, but nothing updating as well.
My Internet connection is 1Gbps fiber, my Big Sur is latest, on a Macbook Pro 16 2020 (8-core i9, 32GB).

What can I do? Restarting the Mac does not work.