Some additional things to try if needed:
Uninstall the Adobe Creative Cloud Desktop app from the machine (https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html)
Set the permissions to 'Full Control' on Adobe folders for the all the users in the following locations:
[System drive]:\Users\[user name]\AppData\Local\
[System drive]:\Program Files (x86)\Common Files\
Restart the machine.
Install the Adobe CC desktop app (Creative Cloud Help | Creative Cloud for desktop)