Every time I login to the launcher it always asks me to login. Whenever I create a world and restart the launcher it isn't there. Whenever I add a server then leave the server it isn't there. Whenever I create a new installation then restart the launcher it isn't there. Whenever I add a resource pack then restart the launcher it isn't there. I can't save anything to the launcher because whatever changes I make to it just resets when I restart the launcher. Please help me because I want to be able to play Minecraft again.