mscorlib.dll File Information
  • DLL File Name:mscorlib.dll
  • File Type:Win32 DLL
  • Product Name:MONO Common language infrastructure
  • Developer:MONO development team
  • File Version:5 versions available
  • File Size:1.61MB - 5.06MB
  • Language Code:English (U.S.) - Neutral
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:(c) various MONO Authors

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Mscorlib.dll Errors and Solutions


The file mscorlib.dll is a 32bit Windows DLL module for MONO Common language infrastructure software or other related programs. The file and the associated MONO Common language infrastructure software was developed by MONO development team. The file was licensed as (c) various MONO Authors.

mscorlib.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because mscorlib.dll was not found.
  • The file mscorlib.dll is missing or corrupted.
  • A required component is missing: mscorlib.dll. Please install the application again.
  • Error loading mscorlib.dll. The specified module could not be found.
  • The program can't start because mscorlib.dll is missing from your computer. Try reinstalling the program to fix this problem.

To fix the error, you need to copy the missing mscorlib.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. There are 5 different versions of the dll file available for download with sizes between 1.61MB - 5.06MB.

How to Install mscorlib.dll

You can download mscorlib.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted mscorlib.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\System32\"

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe mscorlib.dll

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Download mscorlib.dll
Version OS Size Language Download
5.1.30514.0 32bit 1.6MB English Download
5.1.40728.0 32bit 1.6MB English Download
5.1.50428.0 32bit 1.6MB English Download
4.0.30319.340 32bit 5.1MB English Download
2.0.50727.143 32bit 2.4MB Neutral Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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