Please try the below mentioned steps
1) Sign out of the Creative Cloud app
2) delete the opm.db file*
3) update to the latest version of the Creative Cloud app.
*On Windows 7, the opm.db file is located here:
C:\Users\YourUserName\AppData\Local\Adobe\OOBE
*On a Mac, go here:
[Userdir]:Library:Application Support:Adobe
~Deepak