UPDATE & MORE INFO on the issue:
Just noticed that every time I try to quit EN, there's a "A file attachment may be currently open in another app." message appearing: (see attached screen captured..), which together with the constant EN "Connecting" activity (at the bottom of my EN sidebar), might mean that EN is constantly trying to complete some auto action that never completes, thus forcing EN to act erratically.
Any thoughts would be greatly appreciated
Response to JMichael:
Thx, however I try to avoid Upgrading, if necessary. Upgrading always comes with surprises and a