Hello, I did look for related posts but found nothing close enough to this so I thought I would create a post. I don't ever recall having this issue before v102 was introduced but now it happens once in a while but not always. If I am in the inbox of my main mail account and choose to delete a message, it goes away and then reappears almost immediately. There is a box that shows up at the bottom right of the screen that says: The current operation on inbox did not succeed. The mail server for account (my main mail account is shown) responded: UID MOVE failed. This account is in Canada on the Bell Canada network so perhaps it is an ISP issue? I have 3 mail accounts set up - all IMAP. If I close TB and reopen it, the message is gone as if it required the program to close in order to complete the delete request. If anyone has experienced this and has any suggestions or tips, it will be greatly appreciated. - Thanks, Mike