I wanted to create a superflat survival world, so I joined on 1.17. After the "joining world" text is displayed, it goes straight to "saving", where every version I've tried has crashed and says "not responding". After that, it went to the minecraft launcher and had the exit code -805306369 where I can't find anywhere. I've tried this many times with the same result. I played Hypixel the day before with no problems at all. The only thing that I think could be the culprit is maybe my java version, though it is version 8. (I have checked with command prompt). This also effects every single version of mc that I’ve tried (including 1.19.1)