How to Fix WiaExtensionHost64.dll Missing Error – Step by Step

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How to Fix WiaExtensionHost64.dll Missing Error (Solved)

How to Fix WiaExtensionHost64.dll Missing Error (Solved)

What is WiaExtensionHost64.dll?

WiaExtensionHost64.dll is a Dynamic Link Library (DLL) file that is associated with the Windows Image Acquisition (WIA) service in Microsoft Windows operating systems. This file helps in the communication between imaging devices and applications enabling users to scan documents digital cameras or other imaging devices.

Why is WiaExtensionHost64.dll missing?

The WiaExtensionHost64.dll file might be missing due to various reasons such as malware infection that causes the file to be deleted or corrupted or accidental deletion by users during cleaning up their systems. In some cases the file may also become unavailable due to system updates.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

  1. Download the latest version of Visual C++ Redistributable from Microsoft’s official website.
  2. Run the downloaded installer and follow the on-screen instructions to complete the installation process.
  3. Restart your computer to allow changes to take effect.

Method 2: Run SFC /scannow command

The System File Checker (SFC) utility can help you repair corrupted system files including the missing WiaExtensionHost64.dll file.

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


    3. SFC /scannow
  3. Wait for the process to complete. Restart your computer when prompted.

Method 3: Update System Drivers

Updating system drivers can help resolve issues related to missing DLL files like WiaExtensionHost64.dll.

  1. Press the Windows key + X and select “Device Manager” from the list.
  2. Find the affected device (e.g. scanner camera) in the Device Manager right-click on it and select “Update driver”.
  3. Choose “Search automatically for updated driver software” and follow the on-screen instructions to complete the update process.

Conclusion

The WiaExtensionHost64.dll missing error can be frustrating but there are several methods to help resolve the issue. By following the steps outlined in this guide you should be able to fix the problem and get your imaging devices working again.


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