what you can still try is load the save points and save them again do not overwrite them create a new save point. Then quit the game that is best done with those who you think are important. Then delete the old ones and also clean up the quick save points. no more like 15, best only 3-5 pcs too much crash the game too. Have experienced a lot in my 293 hours. If you have any further questions, just get in touch