as of today, BG stops reacting to any mouse or keyboard action. Still something happening in process manager, but I have to kill the process and restart BG. Cannot close the window.
1. clic on image
2. - insert - image (to replace the image)
<-- BG window frozen
3. alt f4
4. BG reacting again, but no choose-image-dialog
So i cannot do what I want, have to resort to source code editing.
Interestingly, a couple of days ago, nothing like this happened, I was able to replace an image easily.