This is probably a bug and the mojang will need to fix the  launcher, but I suggest making a backup of your saves folder, deleting .minecraft and the launcher, and reinstalling.

If you continue to have problems with the regular launcher, feel free to use MultiMC (multimc.org)

Minecraft Launcher NOT launching any Previous Versions!

Hardrocker

LordGeek101

Minecraft: Java Edition

tenske0

TWRenatoGo

TheParabolica

sunRay625

tudorule

1.2.1

1.2.2

1.2.3

1.2.4

1.2.5

1.3.1

1.3.2

1.4.2

1.4.4

1.4.5

1.4.6

1.4.7

1.5.1

1.5.2

1.6.1

1.6.2

1.6.4

1.7.2

1.7.4

1.7.5

1.7.9

1.7.10

1.8.1 Easy

Normal

Hard

Hardcore

1.8.2

1.8.3

1.8.4

1.8.5

1.8.6

1.8.7

1.8.8 4 Players

5-9 Players

10+ Players

1.8.9

1.7.6

1.7.7

1.7.8

1.9.1

1.9.2

1.9.3

1.9.4

1.10

1.11.2

1.11

1.12

1.12.1

1.12.2 2 Players

3 Players

1.7.3 Set Seed

Random Seed

1.1-1.6

1.8-1.11

No F3

1.13

1.13.1

1.13.2

1.10.2

1.14

1.14.2

1.14.3

1.14.4

1.15

1.15.1

1.15.2 Pre 1.8

1.13-1.15

Pre 1.9

1.14+

1.9-1.15

Vanilla

Version

Difficulty

Player Count (Any% Glitchless Co-op)

Seed Type (Any% Glitchless)

Version Range (AAch)

Seed Type (Any%)

Seed Type (Any% (Peaceful))

Seed Type (Any% Glitchless (Peaceful))

Seed Type (AAch)

Version Range (AAdv)

Seed Type (AAdv)

Version Range (Any% Glitchless)

Version Range (Any%)

Version Range (Any% Glitchless Co-op)

Mods

Version Range (Any% Glitchless (Peaceful))

Version Range (Any% (Peaceful))

Version Range (Any% Glitchless (Demo))

Player Count (AAdv Co-op)

Seed Type (AAdv Co-op)

Version Range (AAdv Co-op)

Seed Type (Combined Any% Glitchless)

Seed Type (Any% (Time Travel))

Seed Type (Any% Glitchless Co-op)

Splits (Combined Any% Glitchless)

If you save & quit/close the game at any point during the run, choose External.

Internal/External (Any%)

# Rules v2 Release

View the current version of the rules document at **<https://www.minecraftspeedrunning.com/public-resources/rules>**

Summary:

- ([#123](https://github.com/Minecraft-Java-Edition-Speedrunning/rules/issues/123)) Lowered extra proof requirements for 1.16+ RSG to **sub-13** for wor

Rules v2

Official Rewritten Rules

Updated Legal Mods + New Sodium Options

Minecraft

Minecraft Speedrunning Questions Thread

Form for requesting custom map / server leaderboards

Is there any other way to increase gamma for speedrun?

I want to play 1.12.2 oneshot but only Forge，not Fabric，how to do it?

i need help with sodium 1.16.1

Fastest time to break a any Mob Spawner

Awesomecuber

AprilSR

skylewl

draconix

Luminosity

ElRichi

DrGuy

Keima

Specnr

AlEmeralds

Armpitsmoothie

audioSalix

silverr

gaylea

BSRF

luvvlyjude

taffel

Hayley

3sonya

tildejustin

Yuweoplays

the_yuukster

r0hkx

HenryChot

leto_saa

trewalco84

Alexithink

bilbil0

kierabyte

a_potato_1

TalEmpire