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To quickly resolve your problem, we recommend download and use authui.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 authui.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.
authui.dll - dll file called "" is a part of Windows Authentication UI program developed by Microsoft Corporation.
Some applications or games may need this file to work properly. If authui.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: 0.76 MB
MD5 file sum: 52a4e312e39d80e474166e3682455190
SHA1 file sum: 47719d792b35f6a294b95a795b185fa4bfa73c25
Possible error messages regarding this file:
authui.dll is missing
authui.dll error loading
authui.dll crash
authui.dll was not found
the procedure entry point authui.dll
authui.dll could not be located
authui.dll Access Violation
Cannot find authui.dll
Cannot register authui.dll
To fix errors related with .DLL file you need to download authui.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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gfsdk_txaa.win64.dll is missing error was preventing me from playing Watch Dogs. Thank you for solution.