mfc140.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description

Creation date: 05.04.2018 07:56:21
File version: 14.14.26405.0
Antivirus scan: ✅ OK
Category: System
File size: 5697.3 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature `mfc140.dll`

Publisher: Microsoft Corporation
Issuer: Microsoft Code Signing PCA
Encryption algorithm: SHA1
Time stamp: Apr 5 06:02:38 2018 GMT

The file mfc140.dll is a Dynamic Link Library (DLL) file used in Windows. DLL files are essential components that enable different programs and services to share common code and data, thereby reducing redundancy and improving system performance.

MD5: 1fba734b4505b3a65a6929685db38d2b
SHA-1: 102adea6dcdf272e8db5bdd813b9e1b1873baebb
SHA-256: 93ac01701a63b60d2e5bb48c66276734b2563f0c465bb6ee5b5d29e2fb497c2d

Where it is used

mfc140.dll is part of the Microsoft Foundation Classes (MFC) for Windows, which provides a set of classes and functions that help developers build applications faster. It's commonly associated with software developed using MFC libraries such as Office suite components, third-party applications, and custom programs.

Errors related to `mfc140.dll`

Common issues with mfc140.dll include errors like "mfc140.dll not found," "missing mfc140.dll," and "error loading mfc140.dll." These can cause application crashes or prevent programs from starting properly.

File security

The file is generally safe. However, if you encounter unexpected errors or suspect that the file might be corrupted or replaced by a virus, it’s important to ensure its integrity. Use Windows Defender or another reputable antivirus software to scan for any threats.

mfc140.dll was not found
The code execution cannot proceed because mfc140.dll was not found
Failed to load mfc140.dll
The procedure entry point ... could not be located in mfc140.dll

1.
2a. 👉 Try to copy mfc140.dll C:\Program Files\Your program\
2b. Also try to copy to bin, lib folders.
2c. Try to copy mfc140.dll C:\Program Files (x86)\Your program\
👉 Before you replace any files, make sure to back them up.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.

How to fix errors

Reinstall the program: If a specific application is causing issues, reinstalling it can resolve problems related to missing or corrupted DLL files.
Update Windows: Ensuring your operating system is up-to-date helps fix compatibility and security issues that might affect DLL files.
Manually replace mfc140.dll: Replace the existing file with the new one, but be cautious to avoid conflicts or data loss.

FAQ

Q: Can mfc140.dll be a virus?

A: The file itself is not inherently dangerous. However, if it has been tampered with or replaced by malicious software, it can cause issues.

Q: How do I check for errors in mfc140.dll?

A: Use a tool like System File Checker (SFC) to verify the integrity of system files. You can run SFC from Command Prompt with administrative privileges.

Conclusion

In summary, mfc140.dll is a critical component for various applications in Windows. Ensuring its integrity and addressing any errors can help maintain the stability of your system. Always exercise caution when dealing with DLL files to avoid introducing new issues.

The mfc140.dll file is a critical system component belonging to the Microsoft Visual C++ Redistributable Package (specifically for Visual Studio 2015–2022). You can fix errors related to this file without downloading individual DLLs from unsafe third-party websites by repairing the Visual C++ software or running a system file scan.

File Description

Full Name: Microsoft Foundation Class (MFC) Library
Purpose: It provides a set of pre-written code and functions that developers use to build user interfaces in Windows applications.
Common Cause of Error: The application cannot find the file because it was accidentally deleted, corrupted by an update, or never installed by the software bundle.

Standard File Location

The location of the file depends entirely on your Windows architecture:

64-bit Windows (for 64-bit applications): C:\Windows\System32
64-bit Windows (for 32-bit applications): C:\Windows\SysWOW64
32-bit Windows: C:\Windows\System32

How to Fix mfc140.dll Errors Without Direct Download

Method 1: Repair the Microsoft Visual C++ Redistributable

This is the safest and most effective method because it instructs Windows to fix its own corrupted core packages.

Press the Windows Key + R to open the Run dialog box.
Type appwiz.cpl and hit Enter to open Programs and Features.
Scroll down to locate Microsoft Visual C++ 2015–2022 Redistributable.
Right-click the package and select Change.
Click the Repair button in the setup window.
Repeat this process for both the x86 and x64 versions if you see both.
Restart your computer.

Method 2: Run Windows System File Checker (SFC)

If the file is missing due to a corrupted Windows directory, the built-in system file checker will automatically restore it.

Open the Windows Start menu, type cmd, right-click Command Prompt, and choose Run as administrator.

Type the following command and press Enter:

DISM /Online /Cleanup-Image /RestoreHealth

Wait for the process to complete, then type this command and press Enter:
```
sfc /scannow
```
Restart your computer once the scan finishes.

Method 3: Reinstall the Problematic Application

Many software programs bundle the correct version of the file inside their own directory. Reinstalling the program will re-register the file properly.

Open Programs and Features (appwiz.cpl).
Uninstall the software that is throwing the error.
Download the official installer again and reinstall the application.

If you are still seeing the error after trying these steps, let me know which application is causing the crash and whether your system is running Windows 10 or Windows 11. I can provide application-specific workarounds.