Yes the killaura settings are,
ON - keep Sprint
ON - While Using Item
-autoblocking
autoblock mode - watchdog
unblock mode - NONE
Tick off - 0
Tick on - 0
ON - Scan Range
OFF - Only When In Danger
Maybe you're using the wrong game directory, or if the problem is only with the liquidbounce mod try https://forum.liquidbounce.net/topic/8254/issue-with-nextgen-0-11-1-1-21-1-compatibility-for-minecraft-1-20-4?_=1732847897953
LiquidBounce is safe to use. It is trusted, used by thousands every day and is completely open source from the launcher to the client.
When you hear someone say "it burned their PC and overheated", it should be clear that they are joking.