What are the steps to reinstall Java to potentially resolve Minecraft error 666?

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Grade: Education Subject: Support
What are the steps to reinstall Java to potentially resolve Minecraft error 666?
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1. Uninstall all existing Java versions through the Control Panel (Windows) or Applications folder (macOS). 2. Download the correct Java version (Java 8 or 17) from the official Oracle website or Adoptium. 3. Install the downloaded Java version, ensuring you select the option to add Java to your PATH environment variable.