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Error fix guide

Epic Games EC-MNF-01 — Manifest Error

Meaning: Epic Games Launcher could not read the install manifest — EC-MNF-01.

EC-MNF-01 appears when the launcher cannot parse or download a game manifest — corrupted cache, VPN interference, or disk issues.

Usually client-sideUpdated 2026-06-12

EC-MNF-01 during install

Pause VPN, clear the launcher web cache, then restart the download from Library.

How to fix step by step

  1. 1Free disk space.
  2. 2Disable VPN.
  3. 3Clear Epic Launcher web cache.
  4. 4Run launcher as administrator.
  5. 5Verify game files if partially installed.
  6. 6Reinstall the Epic Games Launcher.

How EC-MNF-01 differs from related codes

  • Error MD-DL-0: Epic Games Launcher could not download the installation package in time — Error MD-DL-0. (usually client-side)
  • Error AS-3: The Epic Games Launcher could not connect to Epic services or complete authentication. (server or client)
  • Error LS-0013: Epic Games login services failed with LS-0013. (server or client)

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