Have you ever forgot to save your project, just for FL Studio to crash on you? Or maybe it crashed just before you were able to save the latest version of your project file?
This can be really irritating, but luckily it's easy to solve.
Go into your file settings by clicking options and then file settings. The first setting you're able to set is called Backup -> Autosave.
There are 5 different settings that can be used:
I would suggest you keep it on every 5 minutes if you're one of those producers who are working really quick. You can actually do a lot of work in 5 minutes that you don't want to lose.
I'm not 100% sure what they mean by "before risky operations", but I'm sure that's a good setting as well.