Bernaj, seems like your machine is not able to communicate to adobe serialization server. Could to try the below suggestion and check if that helps.
Open a Finder window. Choose Go > Go To Folder.
Type "/etc" (make sure that you're is logged in as an administrator).
Select the hosts file and open it.
Look for any entries that refer to activate.adobe.com and delete them. For example, 127.0.0.1 activate.adobe.com and delete it.
Save the file and close it.