Missing mfc120.dll file.

I keep getting the following error message when starting computer.

AccelerometerST.exe – System Error

The program can’t start because mfc120.dll is missing from your computer. Try reinstalling the program to fix this problem.

Any help ??

Hi David,

Thank you for being a part of Windows 10.

I appreciate you for providing details about the issue and we are happy to help you.

Try the following methods and check if it helps:

Method 1:

Make sure that the Windows is up to date.

If the issue persists then follow the below method.

Method 2:

I suggest you to disable third party security software (if any installed), and check.

Disable Antivirus:

NOTE: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you shouldn't disable your antivirus software. If you have to temporarily disable it to install other software, you should re-enable it as soon as you're done. If you're connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to attacks.

THIRD PARTY LINK DISCLAIMER 

Disclaimer: Using Third Party Software, including hardware drivers can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the use of Third Party Software can be solved. Using Third Party Software is at your own risk.

If the issue persists then follow the below method.

Method 3: Perform System File Checker (SFC) scan.

Try to run a System File Checker (SFC) scan to check for any file corruption. SFC scan will scan for corrupt system files on the computer and repair them.

  1. Press Windows key + X, click Command Prompt (Admin).
  2. In the Command Prompt, type the following command, and then press ENTER:

         sfc /scannow

Kindly let us know if you need any further assistance with Windows. We are glad to assist you.

Thank you.

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After following all steps above and locating and reinstalling the associated program, the problem still exists on startup.

3 people were helped by this reply

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I don't see any reply to your 'the problem still exists on startup'. It appears Microsoft is not here to help people at all. They only can provide their standard junk answer.

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Installing the Microsoft Visual C++ 2013 Redistributable seems to have solved the problem for me.

Link: https://www.microsoft.com/en-us/download/details.aspx?id=40784

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Last updated August 15, 2020 Views 45,865 Applies to: