Software⏱️ 2 min read📅 2026-05-29

How to Fix: I get the bad login error when I try to play LAN games

Issue with LAN gaming and Hamachi, try updating to latest version.

Quick Answer: Try updating the game client to the latest version.

Like the title says, you can't play local (using or not using Hamachi), and you're getting a bad login error when trying to use your IP and port. You've tried clearing your DNS, changing your username, and even trying different versions of Minecraft, but the error persists.

⚠️ Common Causes

  • Outdated Java version or incorrect Minecraft installation.

🚀 How to Resolve This Issue

Method 1: Check Java Version and Minecraft Installation

  1. Step 1: Open a command prompt or terminal as an administrator and type `java -version` to check your Java version.

Method 2: Use Hamachi for LAN Gaming

  1. Step 1: Install and set up Hamachi on your computer, then create a new network with the desired IP address and port.

🎯 Final Words

Make sure to use the correct IP address, port, and Java version for a smooth LAN gaming experience. If you're still experiencing issues, consider seeking further assistance from Minecraft support or a trusted IT professional.

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