Log in problem

Hey mojang i hope u r doing great

i m having and issue few days ago i deleted the mc launcher and the next day i reinstalled it and and now whenever i launch the launcher i always get an error saying * oh! something went sworng u will not be logged in automaticcly next time and i contacted minecaft and told about it and they said this may be a bug so Mojang Can u plz fix it its super annoying logging in everytime