The mscorlib.dll file
According to our database, the mscorlib.dll file is part of the Microsoft .NET Framework product, so the mscorlib.dll file may get onto your computer through the installation of Microsoft .NET Framework.
Table of contents:
- The mscorlib.dll file's details
- The DLL files related to the mscorlib.dll file
- The links related to the mscorlib.dll file
- The mscorlib.dll's possible errors
- Downloading the mscorlib.dll file
- Use the System File Checker tool
- Register the mscorlib.dll file in Windows
The mscorlib.dll file's details
Below, we summarized the details of the mscorlib.dll file that has been registered by us. Of course, the mscorlib.dll may exist in versions differing from these.
- 5.23 MB (5486760 B)
- Internal name:
- Original filename:
- Microsoft Common Language Runtime Class Library
- © Microsoft Corporation. All rights reserved.
- Microsoft Corporation
- Microsoft .NET Framework
- Product version:
- Self registration:
The DLL files related to the mscorlib.dll file
Beside the mscorlib.dll file, Microsoft .NET Framework may install other DLL files as well. Of course, the installed files might be different by version.
The links related to the mscorlib.dll file
We try to collect the websites where you can find further information about the mscorlib.dll file.
The mscorlib.dll's possible errors
If the mscorlib.dll file isn't correctly installed in your system, then you may receive the following error message:
The causes of the error could be the following:
- Due to an error that may lead to losing data, the mscorlib.dll file is inaccessible or damaged. Try reinstalling the application.
- The antivirus software may have blocked the mscorlib.dll file's access. Check the files quarantined by the antivirus software.
- The Windows registry’s database is damaged. With the help of Windows System Restore, you can return to a previous state with system settings that still work.
Downloading the mscorlib.dll file
We don't advise to download the mscorlib.dll file and copy it to the Windows system directory. The software's creators almost never circulate the DLL files, they are always part of an installation set. It's the installation set's task to perform the sufficient verifications before the installation. An incorrectly installed DLL file may cause the system's complete inability to function.
If you need a DLL file in spite of the above for the sake of restoring a system, then download it from a reliable source, possibly from the manufacturer's site.
Use the System File Checker tool
To solve the mscorlib.dll file's problems, check if the system files are intact as a first step.
System File Checker (SFC.exe) is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files. If a Windows Resource Protection (WRP) file is missing or is corrupted, Windows may not behave as expected. For example, some Windows functions may not work, or Windows may crash.
To scan all system files, open a command prompt as an administrator and type:
This command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at System32\dllcache.
Register the mscorlib.dll file in Windows
The Regsvr32 tool is a command-line utility that can be used for registering and un-registering OLE controls like DLL and ActiveX (OCX) controls in the Windows operating system. If you find that some of your Windows functions are not working properly, you may need to register your dll files.
To register the mscorlib.dll file, open a command prompt as an administrator and type:
To un-register the mscorlib.dll file, open a command prompt as an administrator and type:
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Supported operating systems
Windows Server 2003/2008/2012, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10
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