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

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How to Fix wdi.dll Missing Error (Solved)

How to Fix wdi.dll Missing Error (Solved)

What is wdi.dll?

The wdi.dll file stands for Windows Driver Foundation and is a part of the Windows operating system. It is a Dynamic Link Library (DLL) file that contains a set of functions used by various applications and drivers. This particular file is essential for the functioning of wireless diagnostic drivers in Windows.

Why is wdi.dll missing?

There can be several reasons why the wdi.dll file might be missing such as:

  • Malware or Virus Infection: Malicious software may inadvertently delete important system files including wdi.dll.
  • Accidental Deletion: Sometimes users might accidentally delete the file while cleaning up their system.

Step-by-Step Fixes

Method 1: Reinstall Visual C++ Redistributable

The wdi.dll file is often associated with Microsoft’s Visual C++ Redistributable packages. To resolve the issue you can try reinstalling these packages.

  1. Visit the Microsoft Visual C++ Redistributable download center.
  2. Download and install the appropriate version for your Windows operating system.

Method 2: Run SFC /scannow command

System File Checker (SFC) is a built-in tool in Windows that can scan and repair system files including wdi.dll if it’s missing or corrupted.

  1. Press the Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin)”.
  2. Type the following command and press Enter:



    3. SFC /scannow

    Note: This process may take some time to complete.

Method 3: Update System Drivers

Updating your system drivers can also resolve the wdi.dll missing error particularly if it was caused by outdated or corrupted drivers.

  1. Press the Windows key + X and select “Device Manager” from the menu.
  2. Expand the categories to find your wireless device driver.
  3. Right-click on the device then select “Update Driver”.
  4. Choose “Search automatically for updated driver software” and follow the on-screen instructions.

Conclusion

By implementing these methods you should be able to resolve the wdi.dll missing error in your Windows system. If you continue to experience issues after following these steps consider seeking professional help or consulting Microsoft Support.

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