Hey guys So I had this problem for the second time and its really starting to annoy me , basically every time i'm done with a project I save it then turn off my pc when I wanna edit again when I open the file it says this
so I really need a solution by the way I havent made any new updates and I have a PC
We can't know. You have not provided any proper system information, details about what version of AE or things like where you save your projects and what actualyl is going on inside them. There could be any number of reasons why your projects get corrupted.