How to Fix wow64cpu.dll Missing Error (Solved)

What is wow64cpu.dll?

The wow64cpu.dll file is a Dynamic Link Library (DLL) that provides the Windows Operating System with the necessary functions to manage 32-bit applications on a 64-bit system, known as WoW64 (Windows on Windows 64). This file plays a crucial role in ensuring compatibility between 32-bit and 64-bit programs.

Why is wow64cpu.dll missing?

The wow64cpu.dll error can occur due to several reasons, such as malware or virus infections that corrupt system files, accidental deletion during the cleanup process, or incompatibilities with recently installed software.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

1. Visit the Microsoft Download Center and search for “Visual C++ Redistributable.”
2. Download the appropriate version for your system (x64 or x86).
3. Run the downloaded installer and follow the on-screen instructions to complete the installation.

Method 2: Run SFC /scannow command

The System File Checker tool can help repair missing or corrupted system files. To run this command:

1. Press Windows key + X, and select “Command Prompt (Admin)” or “Windows 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

Outdated drivers can sometimes cause compatibility issues. To update your system drivers:

1. Press Windows key + X, and select “Device Manager.”
2. Expand the categories to find the problematic device.
3. Right-click on the device, then select “Update Driver” > “Search automatically for updated driver software.”

Conclusion

By implementing these solutions, you should be able to resolve the wow64cpu.dll missing error and ensure smooth operation of your 32-bit applications on a 64-bit Windows system.