For those who have crashes when loading the save. (Batman: Arkham City)

You go in the Directive of the game, open the folder BmGame -> CookedPCConsole. There looking for any file under the name of Synopsis and copy it to another folder. Once copied, rename this file to Synopsis8_SF.upk. Next, move the renamed file back into the CookedPCConsole folder and replace existing file on our. After that, crashes when loading the save disappear. The video shows all our steps.