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To quickly resolve your problem, we recommend download and use system.security.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 system.security.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.
system.security.dll - dll file called "System.Security.dll" is a part of Microsoft .NET Framework program developed by Microsoft Corporation.
Some applications or games may need this file to work properly. If system.security.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: 1.0.3705.0
File size: 76.00 KB
MD5 file sum: 5616FE06841414AE3DDC9A934BF1A30F
SHA1 file sum: EB3B116A9CE64A0C7192D4337C57C5CE43F7AE83
Possible error messages regarding this file:
system.security.dll is missing
system.security.dll error loading
system.security.dll was not found
the procedure entry point system.security.dll
system.security.dll could not be located
system.security.dll Access Violation
Cannot find system.security.dll
Cannot register system.security.dll
To fix errors related with .DLL file you need to download system.security.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.
You can read more information about system.security.dll on WikiDll.com