sos.dll

File Name: SOS.dll
Bit: 64
Latest version: 4.8.4121.0
Size: 0.89 MB
Language: U.S. English
Description: Microsoft NTSD extension for .NET Runtime
Company: Microsoft Corporation

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Download sos.dll file for Windows 7, Windows 8, Windows 10 and fix sos.dll is missing or not found dll error. The latest version of sos.dll file is v4.8.4121.0 which is a 64 with a file size of approximately 0.89 MB. Microsoft Corporation is the developer of sos.dll and the file belongs to Microsoft NTSD extension for .NET Runtime.

What is sos.dll ?

DLL stands for Dynamic Link Library. sos.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 sos.dll.

How to fix sos.dll error?

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

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

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

How to install sos.dll file?

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

Make sure to download sos.dll 32-bit file for 32-bit Windows operating system and sos.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 sos.dll is missing error.

If that doesn’t fix the error, copy the sos.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 sos.dll file?

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

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

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

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

Clicking on 'Download sos.dll' button below will take you to the download page where you will see list of sos.dll versions with bit, file size and other details of of the file. It is recommended to download the latest version of sos.dll to fix dll errors which is v4.8.4121.0.

Download sos.dll