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

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How to Fix WUDFx.dll Missing Error (Solved)

How to Fix WUDFx.dll Missing Error (Solved)

What is WUDFx.dll?

WUDFx.dll, short for Windows Driver Foundation User-Mode X64 Driver, is a crucial Dynamic Link Library (DLL) file in the Microsoft Windows operating system. It provides an interface for user mode drivers to communicate with kernel-mode drivers. The WUDFx framework supports the development of high-performance and reliable user-mode drivers for Windows Vista and later versions.

Why is WUDFx.dll missing?

The WUDFx.dll file can go missing due to several reasons, such as accidental deletion during system maintenance or the presence of malware that targets critical system files. In some cases, the Windows update process might also corrupt the DLL file.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

Reinstalling Visual C++ Redistributable packages can help resolve the WUDFx.dll missing error. Here’s how to do it:

  1. Visit the official Microsoft Download Center at this link.
  2. Download and install the appropriate Visual C++ Redistributable package for your system architecture (x64 or x86).

Method 2: Run SFC /scannow command

The System File Checker tool can help repair corrupted system files, including WUDFx.dll. To run the SFC /scannow command:

  1. Press Windows key + X and select Command Prompt (Admin) or PowerShell (Admin).
  2. Type `sfc /scannow` and press Enter.
  3. Wait for the process to complete. Restart your computer if prompted.

Method 3: Update System Drivers

Updating system drivers can also help fix the WUDFx.dll missing error. Here’s how to update your system drivers:

  1. Press Windows key + X and select Device Manager.
  2. Expand the affected device category (e.g., Display adapters, Network adapters).
  3. Right-click on the device and select Update driver.
  4. Choose Search automatically for updated driver software.

Conclusion

The WUDFx.dll missing error can cause various issues in your Windows system. By following the methods outlined in this guide, you can effectively resolve the problem and restore the normal functioning of your system.

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