everytime it updates i lose my data, how to get it back?

hello everyone! since update aug 4 or something i've lost my data used an old backup despite the damage but it happened again after a blackout i came back and it was like this on the picture again. i've saved the files from extention before reinstalling i put them back but no way to get back my files, how do i do it ? 

ps: it has stopped making local backups.