macos – Methods to diagnose a dialog field that flashes up unpredictably, at irregular intervals, too quick to learn contents?
During the last couple of days, I’ve repeatedly had a dialog field seem for a fraction of a second after which disappear, a lot too shortly to learn the contents. It’s occurred perhaps 4 or 5 instances up to now; it comes unexpectedly, not apparently prompted by any motion I’ve taken; I’ve been in Safari…