These resolutions both speak to the firewall blocking the game client. Whenever an update is released the games executable files (turbinelauncher.exe, turbineinvoker.exe and dndclient.exe) are all 'changed' so the firewall see's them as not the versions of the files you previously told it "hey these are okay programs you can let them connect/accept incoming connections".
There's a (Windows) firewall walkthrough
here in the knowledge base for updating these 'exceptions' after a game update is released. The steps should essentially be the same for any other type of internet security/firewall application or firewalled hardware in that you a) remove the previous exceptions for the files and b) re-add them using the new updated versions.