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To quickly resolve your problem, we recommend download and use authext.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 authext.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.
authext.dll - dll file called "" is a part of Authentication Extensions program developed by Microsoft Corporation.
Some applications or games may need this file to work properly. If authext.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: 10.0.14393.0
File size: 87 kb
MD5 file sum: 0ecc1a1cc4c3f1ffa02e224b07349e44
SHA1 file sum: 86b12ff733e77367b4ee85e7f6ecea1cf818bb55
Possible error messages regarding this file:
authext.dll is missing
authext.dll error loading
authext.dll crash
authext.dll was not found
the procedure entry point authext.dll
authext.dll could not be located
authext.dll Access Violation
Cannot find authext.dll
Cannot register authext.dll
To fix errors related with .DLL file you need to download authext.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.
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You can read more information about authext.dll on WikiDll.com
Yay! My GTA 5 works again. So happy I was able to fix it with your help.