There is a general troubleshoot available: jTroubleshoot Creative Cloud download and install issues
Easy step to test, see if it installs on a new user account, if not please re download.
Annoying to see you have issues with the Creative Cloud Desktop App.
There are some known issues regarding the New update release of the Desktop app
Hopefully this will help you to resolve the problem:
Ow Glad to see DvdW_ was faster then me
Thank you very much for your help
Thank you, I will give it a try :-)