File Name: mfc40u.dll
Bit: 32
Latest version:
Size: 0.91 MB
Language: U.S. English
Description: MFCDLL Shared Library - Retail Version
Company: Microsoft Corporation

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Download mfc40u.dll file for Windows 7, Windows 8, Windows 10 and fix mfc40u.dll is missing or not found dll error. The latest version of mfc40u.dll file is v4.1.0.6151 which is a 32 with a file size of approximately 0.91 MB. Microsoft Corporation is the developer of mfc40u.dll and the file belongs to MFCDLL Shared Library - Retail Version.

What is mfc40u.dll ?

DLL stands for Dynamic Link Library. mfc40u.dll is a file that contains code, resources and data that other programs can use. Thus, Dlls provide a way to modularize applications so that their functionality can be updated and reused by other applications. Dll's also help to reduce application size and memory footprint since many applications can share the same code contained in a single Dll file such as mfc40u.dll.

How to fix mfc40u.dll error?

If you are here because your seeing mfc40u.dll errors in your Windows such as :

  • mfc40u.dll not found
  • mfc40u.dll is missing
  • Failed to load mfc40u.dll
  • or any other similar dll error

There are number of ways to fix mfc40u.dll errors. Below you will find 2 such ways:

How to install mfc40u.dll file?

Where do I put mfc40u.dll file? Download mfc40u.dll and copy it to the application’s installation folder.

Make sure to download mfc40u.dll 32-bit file for 32-bit Windows operating system and mfc40u.dll 64-bit file for 64-bit Windows operating system if they are available. Most new Windows systems would probably be a 64-bit one. You can check to see if your computer is running a 32-bit or a 64-bit version of Windows by doing:

Windows 10 and Windows 8.1
  • Select the Start button, then select Settings > System > About.
  • At the right, under Device specifications, see System type.
Windows 7
  • Select the Start button , right-click Computer, and then select Properties.
  • Under System, see the system type.

After you are done with above installation instructions, try restarting the application throwing mfc40u.dll is missing error.

If that doesn’t fix the error, copy the mfc40u.dll to the systems directory. This can vary between Windows OS versions. Check out the systems directory path for different Windows versions below:

  • C:\Windows\System (For Windows 95, 98, Me)
  • C:\WINNT\System32 (For Windows NT/2000)
  • C:\Windows\System32 (For Windows 7, Windows 8, Windows 10)

Restart your Windows and see if the error is fixed.

How to register mfc40u.dll file?

If the error persists, try to register the mfc40u.dll in Windows registry. This can be done by using the “REGSVR32” command prompt and giving the dll file mfc40u.dll.

  • Windows > Click Start > Run
  • REGSVR32 mfc40u.dll

Make sure you run the command as administrator from the Run Box.

Once you are done registering the mfc40u.dll in the Windows system’s registry, you should be good to go. Restart your Windows once again and mfc40u.dll missing error should be fix.

Clicking on 'Download mfc40u.dll' button below will take you to the download page where you will see list of mfc40u.dll versions with bit, file size and other details of of the file. It is recommended to download the latest version of mfc40u.dll to fix dll errors which is v4.1.0.6151.

Download mfc40u.dll