Quick Summary
The "mojang" error often indicates a problem with the Minecraft launcher itself or its connection to Mojang's servers. This can prevent the game from starting or updating properly.
Common Causes
- Corrupted Launcher Files: The Minecraft launcher files might be damaged or incomplete, hindering its ability to start or function correctly.
- Internet Connectivity Issues: The launcher may be unable to connect to Mojang's authentication servers, which are required to verify your account and download game files.
- Outdated Launcher Version: Using an outdated version of the Minecraft launcher can cause compatibility issues and prevent it from connecting to the current Minecraft services.
- Conflicting Software: Certain antivirus programs, firewalls, or other software may interfere with the launcher's operation.
- Insufficient Permissions: The launcher may lack the necessary permissions to access required files or folders on your system.
Step-by-Step Fixes
Method 1: Restart the Launcher and your Computer
Step 1: Close the Minecraft Launcher completely. Make sure it's not running in the system tray.
Step 2: Restart your computer. This often resolves temporary glitches that may be preventing the launcher from working.
Step 3: After your computer restarts, try launching the Minecraft Launcher again.
Method 2: Run the Launcher as Administrator
Step 1: Locate the Minecraft Launcher executable file (usually found in the Minecraft folder or on your desktop).
Step 2: Right-click on the launcher icon.
Step 3: Select "Run as administrator." This gives the launcher elevated permissions to access necessary files and folders.
Method 3: Reinstall the Minecraft Launcher
Step 1: Uninstall the Minecraft Launcher through your operating system's control panel or settings menu.
Step 2: Download the latest version of the Minecraft Launcher from the official Minecraft website (www.minecraft.net).
Step 3: Install the launcher, following the on-screen instructions.
Method 4: Check Internet Connection and Firewall
Step 1: Ensure that your internet connection is stable and working correctly.
Step 2: Check your firewall settings to make sure that the Minecraft Launcher is allowed to access the internet. Add the launcher to the list of allowed programs if necessary.
Method 5: Update Graphics Drivers
Step 1: Identify your graphics card (e.g., NVIDIA, AMD, Intel).
Step 2: Visit the website of your graphics card manufacturer (NVIDIA, AMD, or Intel) to download the latest drivers for your card.
Step 3: Install the updated drivers. This can resolve compatibility issues between the launcher and your graphics card.