Adobe.com accepts my user ID and password, but, CC will not. When I sign in to CC with my info it tells me I am signed out. Why is that?
Chat Now button near the bottom for Activation and Deactivation may help
or if you are on Windows this might help too
Can you please share the PDApp.log file.
It could be found in
%temp% on Windows and
~/Library/Logs on Mac.
Retrieving data ...