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Download Msosec.dll and fix "dll not found" error!

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To quickly resolve your problem, we recommend download and use msosec.dll Fix Tool. If you have technical experience and you want to install a DLL file manually, please select your version of Windows and download msosec.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.

What is Msosec.dll ?

msosec.dll - dll file called "Custom membership condition" is a part of Visual Studio .NET Tools for Office program developed by Microsoft Corporation.

Some applications or games may need this file to work properly. If msosec.dll is missing, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below.

File version: 7.10.3191.0

File size: 7.00 KB

MD5 file sum: 5CC6F558279777E46C6258B3C3D4E3DA

SHA1 file sum: 5CD589E808418C7FCC68833BCBAC20E4E47996DC

Msosec.dll Error Screenshot

msosec.dll missing

Possible error messages regarding this file:

msosec.dll is missing

msosec.dll error loading

msosec.dll crash

msosec.dll was not found

the procedure entry point msosec.dll

msosec.dll could not be located

msosec.dll Access Violation

Cannot find msosec.dll

Cannot register msosec.dll

Recommended Solution to Fix Dll Error

To fix errors related with .DLL file you need to download msosec.dll and copy it to the installation folder of the application or game, or copy it into the Windows system folder and it should fix the error. If you don’t know how to install this file, please read our tutorial about How to install DLL files.


Version / BitsSizeMD5/SHA-1
327.10.3191.07 kb

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I’ve been looking everywhere for missing .DLL file and found it here on Thank you very much.

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