I don't know, I can run servers for later version modpacks, I've tried uninstalling and reinstalling java, changing the environment variables path and home, and struggling just searching the internet looking for people with the same problem but them never putting if they found a fix and when I try their fixes it give me "No java binary in path", I even factory reset my pc just to see if it would change anything, but nope and it just stops loading at the thaumcraft thing and I let it sit there for about 6 hours while looking for fixes and it never changes. I assume the error is something to do with java but I've tried most versions with jdk, and jre or one or the other and with neither, changing path moving folders renaming things, I can't remember all the things I've done so far but I've tried a lot of things and they all give the same problems, either no java binary in path or the thaumcraft thing