How to Fix AuthBroker.dll Missing Error – Step by Step

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How to Fix AuthBroker.dll Missing Error (Solved)

How to Fix AuthBroker.dll Missing Error (Solved)

What is AuthBroker.dll?

AuthBroker.dll, short for Authentication Broker Dynamic Link Library, is a crucial system file in Microsoft Windows operating systems. This file plays a significant role in managing authentication and authorization services for various applications, particularly those related to User Account Control (UAC).

Why is AuthBroker.dll missing?

The AuthBroker.dll file may go missing due to several reasons, such as:

  • Malware or Virus Infection: Malicious software can corrupt or delete system files including AuthBroker.dll.
  • Accidental Deletion: Users may accidentally delete the file while cleaning up their system or during reinstallation processes.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

AuthBroker.dll is associated with Microsoft Visual C++ Redistributable packages, so reinstalling these packages can potentially resolve the issue.

  1. Visit the following Microsoft Download Center page: https://support.microsoft.com/en-us/topic/the-latest-visual-c-downloads-2647da03-1e5f-471f-95e9-cd8ca562fe6d
  2. Download and install the appropriate Visual C++ Redistributable package for your Windows version.
  3. Reboot your computer, and check if the issue persists.

Method 2: Run SFC /scannow command

The System File Checker (SFC) tool is a built-in Windows utility that can scan for and repair missing or corrupted system files, including AuthBroker.dll.

  1. Open Command Prompt as an administrator by searching for “cmd” in the Start menu, right-clicking on the result, and selecting “Run as administrator.”
  2. Type the following command and press Enter:
    3. sfc /scannow

    Wait for the scan to complete. If any issues are found, follow the on-screen instructions to repair them.

    Method 3: Update System Drivers

    Outdated system drivers may also cause AuthBroker.dll-related errors. Updating these drivers can potentially resolve the issue.

    1. Press Windows key + X and select “Device Manager” from the menu.
    2. Expand the category containing the device with the problematic driver, right-click on it, and select “Update Driver.”
    3. Choose “Search automatically for updated driver software,” and follow the on-screen instructions to update the driver.

    Conclusion

    By implementing these methods, users can effectively address the AuthBroker.dll missing error and restore their Windows system’s functionality. It is essential to maintain a secure and up-to-date operating system to avoid such issues in the future.

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