For the record, mine does that, too. ?KM4WHO. ?I am sometimes successful at getting them all by shutting down WINLINK and then logging back in. ?I¡¯m successful with this less than 20% of the time.
I have two stations that connect to my MBO via VARA/Winlink that get tis message after downloading 5 message, with 5+ listed (in this case 6 messages).