Fix authui.dll related errors in Windows 7, 8 or 10

What exactly is authui.dll?

authui.dll is a type of DLL file, with extension of .dll. It is associated with Windows Authentication UI and is used to run Windows Authentication UI based applications. Certain sophisticated video games and software applications use authui.dll to get access to certain API functionality, as provided by Windows.

File Name: authui.dll

File Description:

Operating Systems: Windows XP, Vista, 7, 8, 10

File Format: .dll

Download Format: .zip

DLL files similar to executable files, except it is not possible to directly execute a DLL file such as authui.dll, as only an executable file can load it through an entry point.

What is a DLL file?

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Common Variations authui.dll Related Errors

  • The program can't start because authui.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • authui.dll not found
  • This application failed to start because authui.dll was not found. Re-installing the program may fix this problem.
  • The code execution cannot proceed because authui.dll was not found. Re-installing the program may fix this problem.
  • Cannot start {program}. A required component is missing: authui.dll. Please install {program} again.

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First of all, you have to download authui.dll file from top of this article, proceed with the installation of authui.dll file in your Windows PC. Make sure you download 32/64-bit file depending on your PC configuration to be able to fix any missing .dll file error.

Other Steps To Solve authui.dll Error

  • Run Antivirus:Some authui.dll issues could be associated with a virus or malware infection in your computer which has damaged the authui.dll DLL file. It is possible the authui.dll error you are seeing is associated with a hostile program that is masquerading as a document. Many sorts of malware masquerade as apparently unrelated Windows and PC problems like Blue Tooth Death, problems with DLL files (in this case, authui.dll), strange hard disk activity, along with other serious Windows problems. That's why, run an antivirus scan.
  • Reinstall the program:Reinstall the program that is generating the authui.dll error. In case the authui.dll error happens when you run a specific program, then reinstalling said program application could help. By reinstalling a software, whether it be a productivity utility, a game, or even an office program, you substitute all of the program documents, registry entries, and authui.dll files required for the application to run. To reinstall a program in the most proper means possible, you need to uninstall it entirely first.
  • Update/Install drivers:Update drivers for almost any hardware that may be associated with this authui.dll DLL error. Suppose, if you are getting a "Missing DLL" error when you play audio, consider updating your sound drivers. Updating drivers can be also an excellent troubleshooting measure if you are getting a authui.dll error.
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  • Reinstall/Reset Windows: As time passes, the buildup of documents, misconfigured configurations, along with other variables slows down your computer. If you find that you are encountering authui.dll error messages often, and programs do not run the way you expect, you may choose to turn back the clock by resetting Windows. A System Restore could also eradicate the problem if you suspect that an update caused authui.dll error to spring up.
  • Repair Windows:Repairing Windows version is one step easier or less riskier than resetting or reinstalling Windows, that's why to solve authui.dll, you may first want to use Repair Windows wizard. Reset This PC option in Windows 10/8 is quite handy as it overwrites all important files, processes that tend to fix authui.dll problems caused by Windows built-in files.
  • Install Windows updates:Windows 10 updates are always coming and going, there are updates being delivered multiple times in a month. It's quite a possibility that some change in the operating system is not compatible with old version of authui.dll file. In this case, installing latest Windows update does the trick by delivering updated authui.dll version of file.
  • Clean the registry:Utilize a free registry cleaner to fix authui.dll associated problems in the registry by eliminating invalid authui.dll registry entries which may be causing the authui.dll DLL error.Registry cleaners are particularly helpful for eliminating registry entries to authui.dll file which no longer exists.
  • Hardware issue: If you have tried all of the troubleshooting steps above, there is a chance that the problem is not on software-level, rather it's some hardware issue.
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Download Section for authui.dll

Size Version Bit Associated Software Download
2155008 10.0.10586.0 32 Windows Authentication UI Download
798208 10.0.14393.0 32 Windows Authentication UI Download
881664 10.0.14393.0 64 Windows Authentication UI Download
2459136 6.3.9600.17415 32 Windows Authentication UI Download
2271744 6.0.6001.18000 64 Windows Authentication UI Download
2155008 10.0.10586.494 32 Windows Authentication UI Download
1985024 6.0.6001.18000 32 Windows Authentication UI Download
2352128 10.0.10586.0 64 Windows Authentication UI Download
2352128 10.0.10586.494 64 Windows Authentication UI Download
2317824 6.3.9600.17044 32 Windows Authentication UI Download
2773504 6.3.9600.17415 64 Windows Authentication UI Download
1792000 6.1.7601.17514 32 Windows Authentication UI Download
1796096 6.1.7601.18103 32 Windows Authentication UI Download
2035712 6.2.9200.16728 32 Windows Authentication UI Download
1792000 6.1.7600.16385 32 Windows Authentication UI Download

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