How to Fix mfc140.dll Missing Error (Solved)

What is mfc140.dll?

mfc140.dll is a Dynamic Link Library (DLL) file that is used by applications built with Microsoft Foundation Class (MFC). This library includes various functions and data structures for building Windows-based applications. When this file is missing or corrupted, it can cause various application errors.

Why is mfc140.dll missing?

There are several reasons why the mfc140.dll file might be missing from your system. Some common causes include malware infections that delete or corrupt system files, accidental deletion of the file during a cleaning process, or an outdated Windows installation.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The easiest way to fix the mfc140.dll error is by reinstalling the Visual C++ Redistributable package, which includes the necessary DLL files. Follow these steps:

1. Visit the Microsoft Download Center at this link.
2. Download and run the Visual C++ Redistributable package that matches your system’s architecture (x86 for 32-bit systems, x64 for 64-bit systems).

Method 2: Run SFC /scannow command

The System File Checker tool (SFC) can help you repair missing or corrupted system files, including mfc140.dll. Here’s how to use it:

1. Open Command Prompt as an administrator.
2. Type the following command and press Enter:



`sfc /scannow`



3. Wait for the process to complete, and follow any prompts that appear.

Method 3: Update System Drivers

Updating your system drivers can also help resolve issues with missing or corrupted DLL files. You can use Device Manager to update your drivers, or use a third-party tool like Driver Easy for an easier experience.

Conclusion

The mfc140.dll error can be frustrating, but it’s usually easy to fix by reinstalling the Visual C++ Redistributable package or using the System File Checker tool. If you’ve tried these methods and are still experiencing issues, consider updating your system drivers as well.