Please create a new user account on the machine & check if you are able to launch the applications without rebooting the machine in the new user account.
Welcome to Adobe Foru,
You can also enable the root account by following http://support.apple.com/kb/ht1528 & log in via the root account & check if CC could be launched.
This is one of the option.
No, if fact it does not even open the first time using a different user account.