Thanks for the update Powertoast, can you please try the solutions shared in the following help document to check and confirm that there are no connectivity issues between the CC app and the Adobe servers: Resolve connection errors with Adobe Creative Cloud and Creative Suite applications.
Also, make sure the 'Automatic Proxy Settings detection' is ON:

However, If it shows that there are no connectivity issues, then please perform the steps given under 'Solution 3' of the following help document to clean remove the CC Desktop app from your machine: "Failed to install" error received when installing Adobe Creative Cloud desktop app"
After this, use the direct download links given here: Download Creative Cloud desktop app, to download and install the app again and share the results.