When i go to click change version and go to play tthe version with mods it says "your launcher could not load try reinstalling java or craften terminal" or something along those lines, i have done BOTH and it is still not working. I have tried it on multiple versions too.
There's a minecraft error using mods on craften terminal i need
Guest 21.05.2018
Also try uninstalling OLD versions of Java. So you only have the new one. Then also maybe try deleting a dump/temp folder in your .minecraft and update.
NerdyKid1101 22.05.2018