Failed To Download File The File Contents Differ From What Was Expected

Failed To Download File The File Contents Differ From What Was Expected

Is Minecraft not opening on your Windows 10 PC? Is it showing the following error message while trying to launch the Minecraft game?

Failed to download file, the file contents differ from what was expected.

Have you tried several tricks but failed to resolve it? Then this troubleshooting guide is dedicated to you. In this post, we will let you know the techniques that fix this issue and tips that can completely avoid this error.

As you very well that, Minecraft is a wonderful video game and loved by millions of gamers worldwide. Due to some simple glitches, we face troubles in launching the game.

It could be due to your Windows firewall or corrupted Minecraft mods, or any other else. Whatever it may be, you can fix it using the methods given below.


Problem Overview: Failed To Download File The File Contents Differ From What Was Expected

Till now, there are Lakhs of people who downloaded Minecraft sandbox games on their devices. Gamers show much interest in playing this game.

Like other games, Minecraft also shows problems while loading or playing it on our systems. You may encounter the Failed To Download File, The File Contents Differ From What Was Expected error on your Windows PC.

It is not a difficult problem so you can resolve it with our best methods. In most cases, this error message appears when you launch the game on your computer.

In our study, we can say the following are the major reasons for causing this problem.

  • Your Windows Firewall and network service provider might be stopping the file download process due to security concerns.
  • The download failed problem also appears due to the corrupt installation of the Minecraft game.
  • If you have downloaded the incompatible mods or mods get corrupted, then you see this error.
  • Using the older version of Minecraft also results in this problem.
  • In addition to the above, the expired edition of Minecraft Launcher causes this trouble.
  • Missing Jar Files

Now, move to the below sections to know how to fix this problem on your Windows devices.


Related Problems: Failed To Download File The File Contents Differ From What Was Expected

The following are the problems that are related to this Failed Download issue. You can fix those errors with the given solutions.


Basic Troubleshooting Steps: Failed To Download File The File Contents Differ From What Was Expected

Now, move to the main section that is checking out the methods that allow you to resolve the Failed To Download File, The File Contents Differ From What Was Expected issue.

  • Shut Down and Restart Your Windows 10

The first and foremost thing that you have to do whenever you come across any problem on your Windows is restart the PC. Most of the Windows errors can be resolved by following this simple trick.

If you’re lucky, the Failed to Download File, The File Contents Differ From What Was Expected issue can be disappeared after rebooting the computer.

In case if the problem still persists, then use several other methods given below.

  • Upgrade Minecraft Game

Mostly, every video game contains bugs and causes many problems while launching it on our PCs. To fix these bugs, developers release the latest game patches.

If you don’t install these newer game versions and still trying to run the older versions, then you’ll see these kinds of problems.

Check the manufacturers have released any new game patches of Minecraft. If so, then download and install them on your computer to avoid occurring these issues.


Steps To Fix Failed To Download File The File Contents Differ From What Was Expected Issue

In addition to the above ones, there are so many other techniques that can fix the Failed Download error in the Minecraft game. Read the instructions and execute them correctly on your Windows 10.


  • Step 1

Open the Vanilla Launcher

Some users have suggested that launching Minecraft through Vanilla Launcher is the best idea to avoid these errors. So, follow the given procedure and play the Minecraft game without any errors.

  1. First of all, shut down the Non-Vanilla Launcher completely on your PC through Task Manager.
  2. Launch Vanilla Launcher (Minecraft Native) and click the Play button.
  3. Allow it to run until you see the Create Game Screen.
  4. After that, you have to close the Vanilla Launcher, even on your System Tray.
  5. Finally, launch the Minecraft game on the default launcher and check the problem is solved or not.


Also Read:- Fix Exception_Access_Violation Minecraft [Quick Troubleshooting Guide]


  • Step 2

Set Java To Open .Jar Extension

By using the Java application, we can run or open the JAR file extensions. If you didn’t configure Java or JDK as your default app, then the .Jar files will not open. Perform the below activity to modify the preferences.

  1. Press Windows + R -> Type %appdata%\.minecraft\assets\indexes\ -> Click OK.
  2. From the opened folder, select the Jar file and right-click on it -> Click Properties.
  3. Click on the Change button -> Choose OpenJDK Platform Binary or Java.
  4. Click on the OK button to save the changes.

Now, check the download failed issue of the Minecraft game is solved on your Windows PC or not.


  • Step 3

Disable Antivirus & Firewall on your PC

If you have downloaded any new application or game, then your antivirus and Windows Firewall might block it due to security concerns.

While launching Minecraft, either the antivirus software or firewall may be stopping it. To get rid of the Failed To Download File, The File Contents Differ From What Was Expected issue, you have to disable your default antivirus & firewall softwares.

To turn off the antivirus software, you have to go to the Taskbar -> Right-click on the antivirus icon -> Select Turn off the antivirus temporarily.

In order to disable the Windows Firewall,

  1. Press Windows logo on your keyboard -> Type control -> Select Control Panel from the results.
    Click On The Control Panel From The Search Results
  2. Click on the Windows Defender Firewall -> Choose Turn Windows Firewall on or off tab.
    Click on Turn Windows Firewall on or off
  3. On the right panel, enable the Turn off the Windows Defender Firewall (Not Recommended) in both private and public network settings.
    Turn off Windows Firewall both Public and Private Networks


  • Step 4

Use VPN to Download File

Due to issues with the region or location of the Minecraft servers, the failed download problem occurs. The best solution is to use VPN software for accessing Minecraft from different regions.

Some of the best VPNs are NordVPN, CyberGhost VPN, ExpressVPN, etc. Download and install the VPN connection on your Windows PC.

Now, connect to a different region and launch the game to check the issue is fixed.


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  • Step 5

Uninstall the Corrupted Mods

Corrupted mods of Minecraft also result in failed download errors. If you want to fix it, then removing those corrupted mods is the correct option.

  1. Shut down the Minecraft Launcher.
  2. Go to the Start menu -> Type Run -> Hit Enter.
  3. Once you see the Run dialog box, type %appdata% -> Click OK.
    type %appdata% in the run box
  4. Double-click on the. Minecraft directory -> Open the Mods folder.
  5. Press Ctrl + A to select all the mods & press Ctrl + C to copy-> Open some other folder and press Ctrl + V to paste those mods.
  6. Now, go back to the previous folder and remove the mods.
  7. Run the Minecraft Launcher and see the download failed issue is solved.
  8. Now, close the Minecraft Launcher.
  9. Start copying the mods one by one and check the issue is occurring or not. When you see the problem after copying the mod, it is a corrupted mod so remove it from the folder.


  • Step 6

Download the File Manually & Move it To Minecraft Folder

Downloading the file manually and copying it to the Minecraft directory is also one of the best ideas to overcome this issue. For that,

  1. Open your default web browser -> Copy the URL given in the error message -> Paste it in the address bar of your browser -> Hit Enter.
  2. Wait until the file gets downloaded -> After that, copy the downloaded file.
  3. Press Windows + E to open the File Explorer.
  4. Open the path using the address given in the error message.
  5. Now, remove the file, which is given at the end of the error message (for example jopt-simple-4.5.jar).
  6. If it pops up any confirmation window, then click on the confirm button to delete it.
  7. Now, paste the file that you have downloaded manually.
  8. Run the Minecraft Launcher and see the problem is disappeared or still exists.
  9. In case if you still see the same error message, then unzip the downloaded file and copy it to the location given in the error message.

If you’re using any non-vanilla launcher, then launch the vanilla launcher after you place the downloaded file. Finally, click the Play button.

After seeing the Create Game Screen, close the launcher. Now, use some other game launcher to test whether the download failed issue is fixed.


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Tips To Avoid Failed To Download File The File Contents Differ From What Was Expected

If you don’t want to see the Failed To Download File, The File Contents Differ From What Was Expected error message, then strictly follow the below tips.

  • Before you start the Minecraft game, you have to disable both your default antivirus and Windows Firewall temporarily.
  • Once you get to know the latest versions of Minecraft are released, immediately download & install them to keep it up-to-date and stay out of these issues.
  • Make sure that your Windows PC possesses uninterrupted internet to launch the Minecraft game error-freely.


Contact Official Support

We have looked after so many sources, including forums, and listed out the above methods to fix this error. That’s why we strongly believe that one can solve it on their devices without fail.

If in case you still encounter the same trouble while launching Minecraft, then it could be better to uninstall and reinstall it properly on your Windows 10.

Those gamers who see the error message even after reinstalling Minecraft can contact its support team. Visit the official site of Minecraft and talk to customer support to get the instructions that can fix it.


Final Words: Conclusion

On the whole, Minecraft is the best sandbox video game and one of the top-selling games all over the world.

If you see failed download error while launching the game, you can resolve it by disabling the antivirus/firewall, installing correct mods, and upgrading Minecraft Launcher.

Have you resolved the Failed to download file, the file contents differ from what was expected error? Then feel free to share them with us to help many other Minecraft gamers.

Moreover, viewers or readers can contact us when they have doubts or suggestions on this post. Finally, provide your valuable comments on this troubleshooting guide as a part of compliments to our service.

  • Post last modified:December 28, 2021
  • Post category:Games
  • Post comments:0 Comments

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