Lolohn

Also, CTRL+J will open the downloads tab. There, Chrome will have an option of deleting or keeping the file.

Well that was deliciously easy. I'm using OpenJDK, and had both 8 and 11 installed. I removed everything 11, and Minecraft and Forge default to 8 now. YES! Thank you again!

Oooooh I'll try - well I don't know what I'll try yet. But I'll report back once I get going or hit a bump. Thank you so much!!

Thanks for your time! I can't find a debug.log - is it supposed to be in /.minecraft/logs or elswhere? That folder is empty. Here is launcher_log.txt (a fresh one after launching the crashing Forge 1.12.2) launcher_log.txt

Thanks for the reply. So I hadn't restarted, but I have now... no change. Also, I've since installed Forge 1.13 forge-1.13.2-25.0.110-installer.jar (I don't remember if it was "latest" or "recommended") and it runs fine... but the mods I want to use require 1.12.2

Just an aside: Last night I set this version and two mods (Erebus and Twilight Forest) up for my nine-year old son's Linux PC, AND my 13-year old son's Windows 7 PC. So this is super driving me crazy - last night it was smooth like butter, for two totally different computers and operating systems. But today? AGHGHGHG!

UPDATE: Forge 1.12.2 requires Java 8. I was using OpenJDK 11. Now I'm using OpenJDK 8 and everything is gravy. Original Post: When I launch Forge from the launcher, it crashes instantly. Using Linux (Mint 19, Mate desktop) What I've tried: 1) deleted everything in /.minecraft 2) let the launcher download and launch Minecraft, 1.12.2.jar start launcher,launch game, start new map, all works fine, quit game 3) download and install Forge "Recommended" Installer for 1.12.2, forge-1.12.2-14.23.5.2768-installer.jar start launcher, select forge, Game Crash - doesn't even try to launch, the launcher just says "GAME CRASH An unexpected error occurred..." There is no mods folder. I made an empty mods folder in /.minecraft Repeat step 3 above, same results. Put a mod (compatable with 1.12.2) into the mods folder, same results. I've since re-deleted the mods folder. Any suggestions? Here is my output log: Here is my java version info, if helpful: It's all OpenJDK which has been running vanilla Minecraft just fine. Thanks for any help! Edit: here is launcher_log.txt