April 18, 20187 yr Author it 's no use ,sitll the same error forge-1.12.2-14.23.3.2669-installer.jar.log
April 18, 20187 yr Author i use java -Djava.net.preferIPv4Stack=true -jar [name of the installer] in CMD it's looks like my bad connection worring me, i just change a new line, it works , thank you.
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