With that kind of file corruption, you may need to do the following...
Sign out of your account... Uninstall... run the Cleaner...
-http://helpx.adobe.com/creative-cloud/help/install-apps.html (and uninstall)
-using the cleaner after uninstalling and before reinstalling is needed
-Restart your computer... Sign in to your account... Reinstall
A chat session where an agent may remotely look inside your computer may help
Creative Cloud chat support (all Creative Cloud customer service issues)