Widget asset failed to save

I was working on creating my main menu then my engine crashed and it deleted my main menu widget data. now when i try to save a widget it says that the asset was partially loaded. it will save any other kind of blueprint class but not widgets. i am going to try to delete the engine and re download it because i think the code was damaged.

Enter your system’s task manager and check under background processes. You’ll see two unreal processes
running in the background. close the both of them and try and save. It should work. X