FL that first had FLEX I think, if not that one then a recentish one. What happens is that when a song is saved as a new file (not saved to an existing file) focus is lost on the fl ...
FLStudio mainly(?) uses virtual RAM to operate. I am 16GB of physical RAM build in my Desktop WIN10 computer and it was always able to work with pretty big projects as well. At some point I had problems with ...