How To Fix Missing mfc140u.dll File in Windows 11 & 10

Is Windows showing an error message that mfc140u.dll is not found? Here’s how to quickly fix the missing mfc140u.dll file in Windows 11 & 10.

mfc140u.dll is a Microsoft library file and one of the most important files in Windows, used by many applications. If it is missing or corrupted, many applications won’t work, and you will see error messages such as “mfc140u.dll was not found” or “The code execution cannot proceed because mfc140u.dll was not found. Reinstalling the program may fix this problem”. In those cases, you either need to reinstall the specific Microsoft Visual C++ Redistributable package or restore the mfc140u.dll file from a known-good computer.

In this quick and easy guide, I will show you the simple steps to fix the missing mfc140u.dll file in Windows 11 and Windows 10. Let’s get started.

Copy mfc140u.dll From Another Computer

The easiest way to fix the “mfc140u.dll not found” error is to copy it from another computer, such as your laptop or desktop.

Note: If you don’t have a computer available, you can try installing Windows 10 or 11 in VMware or VirtualBox. Once that is done, you can follow the steps below.

1. On the secondary computer, plug in an empty USB drive.
2. Open File Explorer on the secondary computer.
3. Go to the “C:\Windows\System32” folder.
4. Find “mfc140u.dll“, select it, and copy the file.
5. Paste the copied file into the USB drive.
6. Now, unplug the USB drive and plug it into your computer.
7. Copy the “mfc140u.dll” from the USB drive.
8. Open the File Explorer and go to the “C:\Windows\System32” folder.
9. Paste the copied file. Click “Continue” if you see the permission window.
10. With that, you’ve restored the “mfc140u.dll” file.

Download mfc140u.dll and Restore It On Your Computer

If you don’t have access to a secondary computer and cannot install or use VMware or VirtualBox, follow this method.

1. First, download the ZIP file from here.
2. After downloading, open the File Explorer.
3. Find the downloaded file, right-click it, and select “Extract All“.
4. Click the “Extract” button.
5. Now, open the extracted folder and copy (Ctrl + C) the “mfc140u.dll” file.
6. Go to the “C:\Windows\System32” folder.
7. Paste (Ctrl + V) the copied file. Click “Continue” if you see the permission window.
8. With that, you’ve restored the “mfc140u.dll” file.

That is all. It is that simple to restore and fix the mfc140u.dll not found error in Windows 11 and Windows 10. If you have any questions or need help, comment below. I’ll be happy to assist.