I followed the procedure outlined in Adobe Community Help, after still getting the same message I uninstalled and reinstalled Creative Cloud this version is 188.8.131.522 and still get the message you've been signed out. Any other ideas please?
Try using a different web browser. I was using internet explorer and getting the same message. I switched to mozilla and it worked the first time I logged in.
I guess I was not specfic enough. I can sign into my account just cannot sign in with the updater app even if I am signed in my account at the same time and tried while not signed in
Make sure CC is not running by stopping in task manager.
Navigate to: C:\Users\your user name\AppData\Local\Adobe\OOBE
Open CC and sign in.
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