Fix Necessary Prerequisites Failed To Install: Epic Game Launcher

fix epic game launcher failed to install necessary prerequisites

Epic Game Launcher, Necessary Prerequisites Failed To Install

The Epic Games Launcher stands as the digital gateway to a vast world of gaming delights, offering access to an extensive library of titles, exclusive releases, and a thriving gaming community. Its significance in the gaming realm cannot be overstated, serving as the central hub where gamers converge to explore, purchase, and play their favorite titles.

However, like any software, the Epic Games Launcher can sometimes throw a wrench into your gaming ambitions, leaving you puzzled and frustrated. One particularly vexing issue that many users encounter is the error message: “the necessary prerequisites have failed to install.” This error can be a formidable obstacle, preventing you from enjoying your games or accessing new content.

In this guide, we will delve into the intricacies of this common error message, focus on its causes and, most importantly, providing you with a comprehensive set of solutions to overcome it. So, let’s take a look at how you can resolve the Epic Games Launcher’s “necessary prerequisites” error and get back to the gaming adventures you love.

Understanding the Error

When you encounter the error message “the necessary prerequisites have failed to install” while using the Epic Games Launcher, it can be a perplexing and frustrating experience. To effectively tackle this issue, it’s essential to grasp what this message signifies.

necessary prerequisites failed to install error

This error message essentially indicates that the Epic Games Launcher is unable to install or update certain components required for its proper functioning. These components, often referred to as “prerequisites,” are essential software packages or libraries necessary to run the launcher and the games it manages.

Common Causes of the Error

The error message “the necessary prerequisites have failed to install” in the Epic Games Launcher can be attributed to various common causes. Understanding these root issues is pivotal in effectively resolving the error and ensuring a smooth gaming experience.

  • Outdated or Corrupted Software: One of the primary culprits behind this error is outdated or corrupted software components. This includes not only the Epic Games Launcher itself but also the prerequisite libraries and frameworks it relies on. Over time, these components can become obsolete or develop errors, preventing successful installations.
  • Issues with System Requirements: Ensuring your system meets the Epic Games Launcher’s requirements is crucial. If your hardware or software falls short of these prerequisites, you may encounter installation failures. Verifying that your system specifications align with the launcher’s recommendations can help mitigate this issue.
  • Network-Related Problems: Fluctuating or unreliable internet connections can disrupt the download and installation of prerequisite files. Interruptions during the installation process due to network issues can trigger this error. Stabilizing your internet connection or troubleshooting network problems can alleviate this cause.
  • Anti-Virus or Firewall Interference: Sometimes, overly vigilant anti-virus or firewall software can misinterpret the installation of prerequisite components as a security threat and block them. Adjusting your security settings or temporarily disabling these programs during installation may resolve this issue.

Identifying and addressing these common causes of the “necessary prerequisites” error will go a long way in restoring the functionality of your Epic Games Launcher, allowing you to dive back into your gaming adventures hassle-free.

Step-by-Step Guide to fix the Issue

Addressing the “necessary prerequisites have failed to install” error in the Epic Games Launcher requires a systematic approach.

Here’s a comprehensive guide with step-by-step solutions to resolve this issue:

Step 1: Ensure your graphics card drivers are up-to-date. Visit the manufacturer’s website (NVIDIA, AMD, or Intel) and download the latest drivers compatible with your hardware.
Step 2: Double-check that your system meets the Epic Games Launcher’s minimum requirements in terms of operating system, hardware specifications, and software components.
Step 3: Temporarily disable your antivirus and firewall software. These security measures can sometimes interfere with the installation process.
Step 4: Right-click on the Epic Games Launcher shortcut and select “Run as Administrator.” Elevated privileges can resolve permission-related issues.

run as administrator
Step 5: Access the Control Panel, navigate to Programs > Programs and Features, locate the Epic Games Launcher, and choose “Repair.
Step 6: Open the Epic Games Launcher and go to Settings > Troubleshoot. Click on “Clear Launcher Cache” and follow the on-screen prompts.

Step 7: Ensure that your internet connection is stable. If you’re on Wi-Fi, consider switching to a wired connection to minimize potential network-related problems.
Step 8: If you use a VPN or proxy, disable it temporarily, as it might interfere with the installation process.
Step 9: Ensure that your Windows operating system is up-to-date by running Windows Update. Outdated OS components can lead to installation issues.

check for updates windows
Step 10: As a last resort, uninstall the Epic Games Launcher completely and then reinstall it from the official Epic Games website.

Note: If none of the above steps resolve the issue, reach out to Epic Games Support for further assistance. Provide them with detailed information about your system and the error message you're encountering.

By following these step-by-step solutions, you can effectively troubleshoot and resolve the “necessary prerequisites have failed to install” error, allowing you to enjoy your favorite games on the Epic Games Launcher without hindrance.

Additional Recommended Tips

To prevent the “necessary prerequisites have failed to install” error from occurring in the future and ensure a smooth gaming experience on the Epic Games Launcher, consider the following additional tips:

  • Keep Software Updated: Regularly update your operating system, graphics card drivers, and other essential software. Outdated components can lead to compatibility issues.
  • Create System Restore Points: Before making significant changes to your system, such as driver updates or software installations, create system restore points. This allows you to revert to a stable state in case issues arise.
  • Maintain Adequate Storage Space: Ensure that your computer has sufficient free storage space on both your system drive and the drive where you install games. Running out of space can cause installation errors.
  • Regularly Backup Data: Back up important files and game saves to an external drive or cloud storage. This precaution can safeguard your data in case you need to perform system maintenance or reinstallation.


In the world of online gaming, the Epic Games Launcher has become an essential platform for players. However, encountering the “necessary prerequisites have failed to install” error can be frustrating and disruptive to your gaming experience. Fortunately, with a clear understanding of this error’s causes and effective troubleshooting steps, you can swiftly resolve the issue.

Understanding that, the error message typically points to compatibility issues, outdated software, network problems, or interference from security software is key. By preparing your system adequately, ensuring up-to-date software, and maintaining a stable internet connection, you set the stage for a smoother gaming experience. Do share this tutorial with your friends. If you have any question, you can click to Visit Our Discussion Board.