having problems with saving graphic settings on FC26 PC

hello everyone! so everytime i save my graphic settings lets say to low or something it decided to go back to what it was before? this is **bleep**ing annoying is there even a fix?? this is **bleep**ing up my game it keeps doing this and i find this helpful with the lags, is there any fix? it decided to go back in-game or after i leave it resets by it own