Yep, another one of the those strance things that happen in using UFT. Like the "*" that shows up in my FJ's at times when I want to get a quick copy to someone. Just so you know it will also happen in 3.0. Surprised you just saw it, being a long time user.
More: Screen locks up when clicking on the UFT icon on my desktop every once and awhile.
The Principal box becoming unchecked on non BMDB events.