Hi @RonaldS56
We have taken a look at your account and can see this is actually a defect you are experiencing. Because this is not something all users are experiencing we will leave this idea open to continue collecting details from other users this may be happening to. We ask that users please email us at social_support(at)constantcontact(dot)com with your username, a reference to this post, name of your campaign, a screenshot or screencast of issue, and a screenshot of the dev console (right-click on page > inspect > dev console tab).
As workarounds, we recommend making a new list from the contacts who have not opened the email yet, making a copy of the email and send only to the new list of contacts.
... View more