Creative Cloud went on glitching spree 2020

Greetings from sunny Russland, Moscow! Regardless of US geopolitical opposition I decided to install Adobe for workgroups! For years all software worked well, usual stuff, Photoshop, Illustrator, AE and whatnot. Then after the new year, loo and behold! I see a notification that Creative Cloud is taking unusually long time to load, and recomendations to reboot and so on. I did as recommended to no avail. Rebooted, installed CC anew, in the process after advancing to about 15% installation goes kaput every time I try! And I cannot deletу it as it says some programs are using it, so I cannot delete it, only reinstall... Catch 22! So now I cannot get updates, as it continues on for weeks now, I cannot reinstall or load Creative Cloud.

I have Imac 2014 27" OSX Catalina, all updates are religiously installed. I know not where to seek help, other than from reverent manufacturers. Help please! Sorry, screenshots show Russian messages but you know, they are all generic, nothing metaphysical

Yura