check this first, Sign in, activation, or connection errors | CS5.5 and later
and if you can't solve the problem using that, contact adobe support - http://helpx.adobe.com/x-productkb/global/service-ccm.html
check this first, Sign in, activation, or connection errors | CS5.5 and later
and if you can't solve the problem using that, contact adobe support - http://helpx.adobe.com/x-productkb/global/service-ccm.html