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To quickly resolve your problem, we recommend download and use ext-ms-win-ntos-ksecurity-l1-1-1.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 ext-ms-win-ntos-ksecurity-l1-1-1.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.
ext-ms-win-ntos-ksecurity-l1-1-1.dll - dll file called "" is a part of ApiSet Stub DLL program developed by Microsoft Corporation.
Some applications or games may need this file to work properly. If ext-ms-win-ntos-ksecurity-l1-1-1.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: 6.3.9600.16384
File size: 11.8 kb
MD5 file sum: 90852ee55e1600651a5dd12bf320fc7f
SHA1 file sum: 99bc7f96ccb71c28137b9d50e6f38fec48711b48
Possible error messages regarding this file:
ext-ms-win-ntos-ksecurity-l1-1-1.dll is missing
ext-ms-win-ntos-ksecurity-l1-1-1.dll error loading
ext-ms-win-ntos-ksecurity-l1-1-1.dll was not found
the procedure entry point ext-ms-win-ntos-ksecurity-l1-1-1.dll
ext-ms-win-ntos-ksecurity-l1-1-1.dll could not be located
ext-ms-win-ntos-ksecurity-l1-1-1.dll Access Violation
Cannot find ext-ms-win-ntos-ksecurity-l1-1-1.dll
Cannot register ext-ms-win-ntos-ksecurity-l1-1-1.dll
To fix errors related with .DLL file you need to download ext-ms-win-ntos-ksecurity-l1-1-1.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 ext-ms-win-ntos-ksecurity-l1-1-1.dll on WikiDll.com