To enable OptiFine on your selected pack, it is necessary to refer to the table below and identify which mods must be uninstalled beforehand.
Do note if you are using Fabric Loader you need a mod called OptiFabric but if you are using Forge make sure you are using the recommend version that Optifine is built for
 

If you're experiencing issues still with Optifine, have you considered using an alternative? One option to consider is Rubidium, which offers support for MC 1.16.5 and newer. 

You can check it out here: https://www.curseforge.com/minecraft/mc-mods/rubidium

If you're interested in using shaders with Rubidium, you'll also need to download Oculus, which is fully compatible with Rubidium. 

You can find Oculus here: https://www.curseforge.com/minecraft/mc-mods/oculus

We hope these suggestions help you enhance your Minecraft experience. Let us know if you have any further questions or concerns.

AMPZ Network provides support for three launchers: CurseForge, ATLauncher, and GDLauncher. These launchers have been tested and verified to work with our modpacks, and we recommend using them for the best experience.

• CurseForge: is a popular launcher and mod management tool that is widely used by the Minecraft community. You can download it from https://curseforge.overwolf.com/
• ATLauncher:  is a lightweight and easy-to-use launcher that allows you to install and play modpacks with ease. You can download it from https://www.atlauncher.com/downloads
• GDLauncher: is a launcher that has gained popularity in recent years due to its clean interface and ease of use. You can download it from https://gdevs.io/
• Modrinth: is a new launcher that is perfect for anyone that uses the modrinth platform. You can download it from Download the Modrinth App!

Please note that any launcher not listed here means that we do not provide support for it. If you encounter any issues while using these launchers, please feel free to contact our support team for assistance.

We hope this guide helps you in choosing the right launcher for your modded Minecraft experience.

If you're trying to play Minecraft and you encounter the error message "Internal Exception: java.lang.IndexOutOfBoundsException: readerIndex(142) + length(8) exceeds writerIndex(148): UnpooledByteBufAllocator$InstrumentedUnpooledUnsafeHeapByteBuf(ridx: 142, widx: 148, cap:148)", don't worry 

- there are several solutions you can try.

Solution 1: Clear Your Minecraft Cache

The first thing you should try is clearing your Minecraft cache. This can help resolve any corrupted files that might be causing the error.

1. Open the Minecraft Launcher.
2. Click on "Launch options" on the top right corner.
3. Click on the profile that you're using to play Minecraft.
4. Toggle on the switch for "JVM Arguments".
5. Delete any existing arguments.
6. Paste this in the text box: -Dfml.ignorePatchDiscrepancies=true -Dfml.ignoreInvalidMinecraftCertificates=true
7. Save your changes and launch the game.
8. Try to reproduce the error.

If the error persists, proceed to the next solution.

Solution 2: Update Your Java Version

If your Java version is outdated, it can cause conflicts with Minecraft and result in errors such as this one.

1. Go to the Java website and download the latest version of Java.
2. Install the latest version of Java.
3. Restart your computer.
4. Launch Minecraft and see if the error still occurs.

If the error still occurs, proceed to the next solution.

Solution 3: Disable Your Firewall and Antivirus

Sometimes, your firewall or antivirus software might be blocking Minecraft from connecting to the server, which can cause the error.

1. Temporarily disable your firewall and antivirus software.
2. Launch Minecraft and try to reproduce the error.
3. If the error doesn't occur, you'll need to add Minecraft as an exception in your firewall and antivirus software.
4. Enable your firewall and antivirus software again.

If the error still occurs, proceed to the next solution.

Solution 4: Reinstall The Modpack

If none of the above solutions worked, you can try reinstalling The Modpack altogether.

1. Backup your Minecraft worlds, if necessary.
2. Deleted the modpack from the launcher.
3. Reinstall The Modpack.
4. Launch Modpack and see if the error still occurs.
5. 
   

If the error still occurs, it's possible that there's a problem with the server you're trying to connect to. Try connecting to a different server to see if the error occurs again. If it does, contact Minecraft support for further assistance.

If you're trying to run a Minecraft server and encounter the error message "Failing to Bind to Port," it means that the port you're trying to use is already in use by another application, or that the server is already running. 

This error can occur for a variety of reasons, but fortunately, there are several steps you can take to resolve the issue.

Step 1: Check for Conflicts with Other Programs

Sometimes, other programs running on your computer can conflict with Minecraft and cause it to fail to bind to port. To fix this issue, try closing any unnecessary programs or applications that may be using network resources. Some common programs that can cause conflicts include Skype, Discord, and Steam.

Step 2: Check Your Firewall Settings

Firewalls are designed to protect your computer from external threats and can sometimes interfere with Minecraft's ability to bind to a port. To fix this issue, try temporarily disabling your firewall or adding an exception for Minecraft in your firewall settings. Here's how to do it:

1. Open your Firewall settings.
2. Look for an option to add an exception.
3. Add an exception for Minecraft's port (25565 by default).

Step 3: Check Your Router Settings

If you're trying to connect to a server hosted on another computer, it's possible that your router is blocking the connection. To fix this issue, you'll need to forward the Minecraft port on your router. Here's how to do it:

1. Open your router's settings page.
2. Look for an option to forward ports.
3. Forward port 25565 (or the port that the server is using) to your computer's IP address.
4. 
   

Step 4: Check Your Server Configuration

If you're trying to create your own server, it's possible that your server configuration is incorrect. To fix this issue, make sure that you've configured your server correctly and that the server is running on the correct port. Here's how to check:

1. Open your server.properties file.
2. Check that the server port is set to 25565 (or the port that you want to use).
3. Save the changes and restart your server.

Conclusion

The Minecraft Failing to Bind to Port Error can be caused by a variety of issues, including conflicts with other programs, network issues, or incorrect server configurations. By following the troubleshooting steps outlined in this guide, you can identify and fix the problem, allowing you to connect to or create your own Minecraft server without any issues.

If you are experiencing issues with your payment on our store, there are several reasons why it might have failed. Below are some common reasons why your payment method might have failed on our store:

Incorrect Payment Information

One of the most common reasons why a payment method might fail is due to incorrect payment information. This could include entering the wrong credit card number, expiration date, or CVV code. Please double-check your payment information to ensure that it is correct.

Insufficient Funds

Another reason why your payment method might have failed is due to insufficient funds. Please ensure that you have enough funds in your account to cover the cost of your purchase.

Payment Method Not Accepted

Our store may not accept certain payment methods, such as prepaid cards or certain types of credit cards. Please check our store's payment options to ensure that your preferred payment method is accepted.

Technical Issues

Occasionally, technical issues can also cause payment methods to fail. This could be due to issues with our store's payment processing system or with your bank's processing system. If you suspect this may be the case, please contact our support team for assistance.

Store URL

Please visit our store at https://store.ampznetwork.com to ensure that you are entering your payment information on the correct website.

If you continue to experience issues with your payment method, please contact our support team for further assistance.