So that I can get a clearer picture and try to reproduce your problem...
- When you say you highlight the bar, whereabouts do you highlight it? Is it on the chordsheet, in Audio Edit or in 2024's new Track View?
- What chord or chords does the bar contain?
- What is the number of the Realtrack number?
Thanks for helping out again Noel.
I don't think there has been a single session that has gone by since I installed BIAB 2024
where I didn't encounter a problem.

I am in chordsheet mode when I highlight the bar.
You shouldn't have to ask what the chords are. They're my fave ones!

/AmMaj7 Am6/
Realtrack number 742 Piano.
I don't know if this is related to the problem.
Each time I unfreeze the track and press Ctrl-F8,
after regeneration, the track freezes again BY ITSELF!
Is it supposed to do that? If so why?