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Epic Games Error IS-0009 — Installation Failed and Prerequisite Errors

Warningapplication

Overview

Fix Epic Games Launcher error IS-0009 preventing game installation due to missing prerequisites, insufficient disk space, or corrupted installation files.

Key Details

  • Error IS-0009 occurs during game installation when the Epic Games Launcher encounters a prerequisite installation failure
  • Prerequisites include DirectX, Visual C++ Redistributables, .NET Framework, and game-specific runtimes
  • Insufficient disk space or permissions on the target drive can also cause IS-0009
  • Previous interrupted installations may leave partial files that block new installation attempts
  • Windows user account without administrator privileges may lack permission to install prerequisites

Common Causes

  • Prerequisite installer (DirectX, VC++ Redist) failing silently during game installation
  • Insufficient disk space on the installation drive
  • Corrupted or partial files from a previous failed installation attempt
  • User account lacks administrator privileges to install system-level prerequisites

Steps

  1. 1Install prerequisites manually: download latest DirectX, Visual C++ Redistributables (x86 and x64), and .NET Framework from Microsoft
  2. 2Verify free disk space: ensure at least 2x the game size is available on the installation drive
  3. 3Delete any partial installation folder for the game and retry the installation
  4. 4Run Epic Games Launcher as administrator: right-click > Run as administrator
  5. 5Change installation directory to a different drive if the current one has issues

Tags

epic-gamesis-0009installationprerequisitesgaming

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Frequently Asked Questions

Prerequisites are installed in the game's Engine\Extras\Redist folder. You can manually run the installers there if automatic installation fails. Common ones are vcredist_x64.exe and DXSETUP.exe.