Whenever my brother tries to download Minecraft Java 1.20.1 on his computer, the install crashes before it reaches a point where the Forge patcher will register the installation.
Note: This bug affects launcher version 2.17.11, but I can't put that.
MCL-23862
my brother's launcher cannot download 1.20.1
Resolved
Invalid
0
Modified versions are not supported by Mojang.