(4) Campaigns Contacts Reports ... tabs on top are grayed out when not selected. They they can be selected. When selected the tab becomes highlighted AND underlined by a blue line. The graying out seems overdone and suggest disabled tabs.
Update to my email: In (3) I meant the Welcome email from the Legacy Autoresponder Series
Hello @Hans-LeoT ,
I am sorry you have experience so many issues. if you could contact us by phone, we can help work through these issues.