How to Fix Battle.net Error BLZBNTAGT00000BB8 on Windows 11 and 10

Battle.net is a game launcher client used to play Call of Duty, World of Warcraft, Overwatch, and Hearthstone games. However, some players have reported Battle.net error BLZBNTAGT00000BB8 occurring for certain games. This error usually appears when Battle.net is updating or downloading a game.

When the BLZBNTAGT00000BB8 issue occurs, an error message with this code is displayed and states: “Looks like something broke”. Therefore, you cannot play the game while this error mode persists. As such, here is how to fix Battle.net error BLZBNTAGT00000BB8 in Windows 11/10.


1. Repair game files

Corrupt game files can cause the BLZBNTAGT00000BB8 error. Instead of reinstalling the game, you can try repairing it with Battle.net’s Scan and Repair first option. This is how you can verify game files in Battle.net.

  1. Open the Battle.net client software.
  2. Click on All the games to select a game to repair.
  3. There is a small gear icon on the right side of the Player buttons for games. Click on this cogwheel to open a menu.
    The Scan and Repair option
  4. To select Scan and Repair On the menu.

2. Flush DNS

The BLZBNTAGT00000BB8 error can also be caused by a network/connection issue due to a corrupted DNS cache. Therefore, clearing the temporary DNS cache database may be a solution for some gamers.

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You can flush the DNS cache by entering a command prompt command as follows:

  1. First of all, you need to open the search tool (press the key To earn + S keyboard shortcut).
  2. To locate the command prompt application, type in the keyword ordered in the search field.
  3. Right-click Command Prompt and select Execute as administrator.
  4. Enter this DNS flush command:
    ipconfig/flushdns
  5. hurry Enter to clear the DNS.

The flush DNS command

3. Change the game installation folder

Some players have reported that they were able to fix the BLZBNTAGT00000BB8 error by changing the installation directory of the game for which the error occurs. You can do this by cutting and pasting the original game folder into a new directory like this.

  1. Open File Explorer in Windows.
  2. Open the directory of the game that is suffering from the BLZBNTAGT00000BB8 error.
  3. Right click on the game folder to select To cut.
    The Cut option
  4. Next, open the Battle.net folder.
  5. Right-click inside the Battle.net folder to select New.
  6. Select the Case option.
    The New > Folder options ” data-img-url=”https://static1.makeuseofimages.com/wordpress/wp-content/uploads/2022/03/new-folder-options.jpg”/> </picture> </figure>
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</li>
<li>    Enter the title of your choice for the new folder. </li>
<li>    Open the new folder you just added. </li>
<li>    Right click in the new folder to select <strong>Pastry</strong>.
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    The Paste option
  7. Then delete the original game folder by right-clicking on it and selecting Remove.
  8. Display the Battle.net launcher.
  9. Click on All the games on Battle Net.
  10. Select the game error for which BLZBNTAGT00000BB8 occurs.
  11. Click it locate the game option you will see just below To install button.
    The Locate Game option
  12. Select the new location of the game folder you pasted into File Explorer.
  13. press the Select Folder button to confirm.

  14. 4. Uninstall third-party antivirus software

    Third-party antivirus software can be another potential cause of the BLZBNTAGT00000BB8 error. If you installed a third-party antivirus utility, it may have incorrectly flagged the game as malware (otherwise known as a false positive).

    Although you can disable antivirus shields, the best way to ensure that there are no false positive issues is to uninstall your third-party antivirus suite as follows.

    1. Display the Run dialog box by pressing the To earn + R keys.
    2. Then type the appwiz.cpl order and press Enter.
    3. Select your antivirus utility from Programs and Features.
      The Programs and Features applet
    4. Click on Uninstall with any Yes confirmation options.
    5. Restart Windows when you have uninstalled the software.

    If this resolution fixes the BLZBNTAGT00000BB8 error, you can enable Windows Security to replace your uninstalled antivirus software. Otherwise, you can reinstall the third-party antivirus software that you uninstalled.

    5. Disable the setting “Use a proxy server for your local network”

    The BLZBNTAGT00000BB8 error can occur because you have certain proxy settings enabled on your PC. An enabled proxy server can cause login module issues for Battle.net games. Here is how you can disable proxies in Windows:

    1. Open the File Finder utility from the taskbar (click the folder icon button).
    2. Type internet-options in the search utility text box.
    3. Click Internet Options to open this applet.
    4. Select the Connections tongue.
      The Connections tab
    5. Click on lan settings to open the Local Network window.
      The LAN window
    6. If the Use a proxy server box is checked, deselect this option.
    7. press the Okay button and click To apply in the Internet Properties window.

    6. Reinstall Battle.net

    There may be something wrong with the Battle.net software installation. Battle.net launcher issues are relatively rare, but you can’t rule out such a problem either. To fix the BLZBNTAGT00000BB8 error, try reinstalling Battle.net as follows:


    1. Open programs and features as shown in the fourth method.
    2. Select Battle.net and click Uninstall/Change.
    3. press the Yes, uninstall button.
      The Uninstall Battle.net window
    4. Then display Run; and type %LOCALAPPDATA% in the text box of this application.
    5. Click on Okay to open a local folder.
    6. hold it CTRL button to select the Battle.net and Blizzard folders there.
    7. Click it Remove (trash can icon).
      The local folder
    8. Delete any other Battle.net or Blizzard folders you may find in the ProgramData, Temp, and Roaming folders. You can open these folders by typing %PROGRAM DATA%, %TEMP%Where %APPLICATION DATA% in the Open in Run box and clicking Okay.
    9. Restart your laptop or desktop computer before reinstalling Battle.net.
    10. Then click on the Download for Windows on the Battle.net desktop app page.
    11. Open the folder where you downloaded Battle.net in Explorer. Then double-click the Battle.net installer file to reinstall the software.

    7. Reinstall the error-prone game

    Some players have confirmed that they were able to fix the BLZBNTAGT00000BB8 error only by reinstalling the game for which the problem occurs. This may not be an ideal resolution for large games that will take hours to reinstall. So, you might want to try the other potential resolutions above first.

    If the above fixes are not enough, you can reinstall a Battle.net game as follows:

    1. Start the Battle.net client to open its window.
    2. Click on All the games to view your library.
    3. Select the game you need to reinstall from there.
      The Games Library in Battle.net
    4. Click on the cog wheel Choice button to select Uninstall.
      The Cogwheel Options button
    5. Close the Battle.net software and restart your PC.
    6. Open Battle.net again and click All the games to select the uninstalled title. press the To install button to reinstall the game.

    If none of the above solutions work, you can also contact Blizzard Support about the BLZBNTAGT00000BB8 error if needed.

    To do this, log on to Blizzard website. Then select the Contact Support help section option to submit a ticket.

    The BLZBNTAGT00000BB8 error is now (hopefully) fixed

    The BLZBNTAGT00000BB8 error is among the most common Battle.net issues. Users have confirmed that they resolved this error with the potential fixes above. So, maybe one of these resolutions will also solve your Battle.net problem on your Windows PC.


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