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Failed To Download File; The File Contents Differ From What Was Expected In Minecraft? Fixed

Minecraft is among the most well-known video games worldwide due to its ample features that induce user addiction. You comprehensively understand the game’s features if you have been playing it for an extended time. Many users experience problems while launching the Minecraft launcher. “Failed to download file; the file contents differ from what was expected” appears as the error message. You have arrived at the appropriate location if you encounter an identical issue. I’ll walk you through the entire procedure to fix the error.

“Failed To Download File; The File Contents Differ From What Was Expected” In Minecraft Causes

When you open the Minecraft Launcher on a Windows computer, the error message “Failed To Download File; The File Contents Differ From What Was Expected” may appear. A notification appears while the launcher attempts to update Minecraft, preventing you from launching the game. As with any malfunction, there are several potential causes, and it may be necessary to perform some troubleshooting to find the exact cause.

An Outdated Launcher – The Minecraft video game is launched using the Open Launcher app, an outdated launcher. A download process interruption may occur if the files are corrupted or the content is outdated.

Incompatible Minecraft Mods – After installing a mod, this error message may occasionally appear in Minecraft. This could result from a faulty installation, incompatibility with the current version of Minecraft, or corrupted mod files during the installation process.

Firewall Restrictions – The primary function of the firewall is to fortify your system against unauthorized network access. Sadly, there are instances where legitimate apps may be erroneously classified as evil. When this occurs with the Minecraft Launcher, the error message “Failed To Download File; The File Contents Differ From What Was Expected” is displayed.

The “Failed To Download File; The File Contents Differ From What Was Expected” error can be fixed using seven methods.

Failed To Download File, The File Contents Differ In Minecraft? How To Fix

The “Failed To Download File; The File Contents Differ From What Was Expected” issue can have various causes, and we are unable to identify the exact cause. However, we can attempt various approaches; one will undoubtedly be effective for you. Seven simple fixes accompanied by a step-by-step guide have been provided for clarity, so proceed.

Update Minecraft 

The failed-to-download file issue can occur if you’re using an obsolete Minecraft launcher. It is advisable to download the most recent release to ascertain whether the issue persists.

  • On your computer, first open the Minecraft launcher.
  • Click the “Options” icon located next to the username.
  • Click the Force Update option, then wait for the update to take effect.

Configure Settings To Open.Jar Extension

Failure to configure the appropriate app to access Java files will prevent the Minecraft launcher from disassembling the components. The default app for parsing .jar files can be configured by following these steps.

  • Right-click the Windows icon to begin.
  • Then, from the list of available options, select Run.
  • Find the box there, type %appdata%\.minecraft\assets\indexes\, and then click OK.
  • It will display many files; right-click any that ends in ‘.Java’ or. ‘Jar’.
  • Click Properties After That. [The file extension is also displayed under “type of file” here.]
  • The “Opens with” option will appear; click the Change icon next to it to proceed.
  • Finally, click Apply, then OK after selecting Java or OpenJDK Platform Binary from the list of apps.

Disable Firewall

Try turning off the Windows firewall to see if that stops the files from downloading. However, doing so could expose you to risks and result in data loss.
  • On your computer, first click the Start icon.
  • Click the Settings icon after that.
  • Pick Updates & Security from the list of available options.
  • Select Windows Security by navigating to the left of the display.
  • Click Firewall & Network Protection in the menu.
  • Select the network to which you are currently connected, public or private.
  • Ultimately, deactivate the Windows Defender Firewall option.

Remove Corrupted Mod

Failed to download file; the file contents differ from what was expected” issue in Minecraft can be brought on by a corrupted mod. Following the steps below, you can easily remove the corrupted mod and reopen the Minecraft launcher.

  • Initially, ensure that the Minecraft Launcher is closed and exit it via the system menu.
  • Then, select Run by right-clicking the main menu.
  • Enter %appdata% into the adjacent text box, then click OK.
  • Playground will appear in the list of apps currently installed on your system. From that list, select Minecraft.
  • You can find the Mods file in this file directory; to open it, double-click.
  • Copy all the files from the folder to a different location on your computer.
  • Please select all the mods and then click the delete icon on your keypad to delete them all.

Use VPN

The failed-to-download file issue can occasionally be brought on by regional server issues in Minecraft. Consequently, you may retry launching the Minecraft launcher while connected to a VPN.

  • On your computer, download any VPN.
  • Please open it and attempt to connect with various servers from various locations.

Manually Download File

Additionally, you may download files manually from the Minecraft website and then paste them into the file directory. These are the steps to accomplish that quickly.

  • To get started, go to https://libraries.minecraft.net/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar.
  • A file will be downloaded automatically to your computer.
  • To view the path of the file location, open the Minecraft launcher again. “C:\Users\%username%\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\.” will be the path to the directory.
  • Eliminate the final portion of the file name; in this instance, “jopt-simple\4.5\” must be removed while the remainder is retained for future reference.
  • Open the File Explorer app on your computer and navigate to the file location indicated by the launcher.
  • Delete the problematic file from the folder, Then.
  • Find the downloaded folder, copy it to this file folder, and then extract it.

Re-install The Launcher

The final fix is to uninstall and reinstall the launcher, which can be done by following these steps.

  • When the Start menu appears, right-click and select Run.
  • Input %appdata% into the box provided, then click OK.
  • Select Minecraft from the files containing all installed apps.
  • To protect your game progress, copy the Saved folder to an alternative location.
  • From the start menu, right-click once more and select Apps and Features.
  • You can search Minecraft from the list of currently installed apps on your device.
  • Click Uninstall after selecting the app’s name.
  • After verifying your intent to uninstall the app, proceed with the on-screen guidance to complete the procedure.
  • Please restart your computer and allow it to power up again.
  • Once more, use the Run menu to execute the %appdata% command, and then delete the Minecraft file.
  • Delete all Minecraft files from Local, LocalLow, and Roaming by running the AppData command.
  • Download Minecraft from the official website once more, then reinstall it on your device.

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Final Thoughts:

This concludes the comprehensive guide to fixing “Failed To Download File; The File Contents Differ From What Was Expected” in Minecraft using seven simple fixes. Hopefully, the solutions above assisted you in resolving the issue of Failed To Download File; The File Contents Differ From What Was Expected. Should you have any further inquiries, please do not hesitate to comment below.

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