Setup not working

clean your computer of cc files per http://www.adobe.com/support/contact/cscleanertool.html 

restart your computer (don't skip this)

download the cc desktop app by using the links at the both of this page, https://helpx.adobe.com/download-install/apps/download-install-apps/creative-cloud-apps/download-creative-cloud-desktop-app-from-web.html 

install the cc desktop app using an administrator account (solution 4 here, https://helpx.adobe.com/creative-cloud/kb/creative-cloud-missing-damaged.html)

use the desktop app to install your cc programs/trials

What are the complete computer specs, including hard drives (how many, what kind, what is on each, what capacity, and how full)?

If NVIDIA graphics, make sure to use the latest Studio Driver from NVIDIA (NOT the Game Driver).

Does your computer meet the minimum requirements?

https://helpx.adobe.com/creative-cloud/apps/get-started/desktop-technical-requirements.html

https://helpx.adobe.com/download-install/apps/system-requirements/creative-cloud-requirements.html