OK, I concede. I know that in the past, the behaviour I described has been true, but with MA3.1 the 'Exit on Mouse Move' button has no effect on
my system.
However, in the interests of exploring every avenue, I still suggest Shulemitefire give it a try and report back.
Unless Dale and JohnWho already know a resolution and can stump up the answer forthwith, that is!