My apps say that I'm not signed in to creative cloud, but I am. I've tried to delete the opm.db file and sign in again, no luck.
I had no trouble with this issue until today when I restarted my laptop to install a tablet driver.
check your hosts file.
for help with that and other common secure adobe.com connection problems read, http://helpx.adobe.com/x-productkb/policy-pricing/activation-network-issues.html