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How to Fix “Diablo IV was unable to open a critical file” on Gamepass

Diablo IV offers an unmatched experience in the realm of action role-playing games.

It features evil creatures, multiple skills, dungeons, and legendary loot.

Start your adventure alone or with your companions and explore dark and beautiful locations.

Explore a shared world and gather in towns to trade items or team up to face world bosses.

Create and personalize your character to fight against the terrors of the world.

Choose from five classes, experiment with equipment, and select your talents and abilities.

In this guide, you’ll learn how to fix “Diablo IV was unable to open a critical file” on Gamepass on PC (Battle.net) and Xbox.

How to Fix “Diablo IV was unable to open a critical file” on Gamepass

Fix 1: Check for pending updates

    On Xbox:

    1. End the task for the Battle.net launcher and Xbox app.
    2. Open the Xbox app and select “Diablo IV”.
    3. Update Diablo IV if there’s an update available.
    4. Try launching Diablo IV.

    On Battle.net:

    1. End the task for the Battle.net launcher and Xbox app.
    2. Open the Battle.net launcher and select “Diablo IV”.
    3. Update Diablo IV if there’s an update available.
    4. Try launching Diablo IV.

    Fix 2: Delete the Battle.net folder

      1. Press the Windows + R keys on your keyboard.
      2. Type C:\ProgramData\ and press Enter.
      3. Right-click and delete the “Battle.net” folder.
      4. Open the Battle.net app and try launching Diablo IV.

      Fix 3: Verify the game files

        On Xbox:

        1. Open the Xbox app and select Diablo IV.
        2. Click on the three dots and select “Manage”.
        3. Select “Files” and select “Verify and Repair”.
        4. Try launching Diablo IV.

        On Battle.net:

        1. Open the Battle.net app and select Diablo IV.
        2. Click on the Settings (option) icon and select “Scan and repair”.
        3. Select “Begin scan”.
        4. Try launching Diablo IV.

        Further reading

        How to Fix Can’t Install Diablo IV on Gamepass

        How to Reject Lilith at Her Secret Shrine in Diablo 4

        How to Get Sacrificial Aspect in Diablo 4

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        Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

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