See attached images.

It would not let me add them in the initial post.

Try to start Thunderbird in safe mode. https://support.mozilla.org/en-US/kb/safe-mode-thunderbird

Is there any difference?

No change.

Also looking in the error console I get: Timestamp: 6/6/16, 2:31:34 PM Error: TypeError: view.selection is null Source File: chrome://global/content/bindings/tree.xml Line: 1129

This is not the only error in the error console.

Try to unsubscribe from the newsgroup and then re-subsubscribe.