In a moment I’ll provide you with several Credui.dll error repair tips. For a successful repair of this error make sure you follow the steps provided in this post by their order. I hope you’ll find it helpful.
Credential Manager User Interface – this dll is part of Windows OS and it is usually located in the C:\Windows\System32 folder. The file provides a Single sign-on solution for Windows users. The idea is to simplify the user’s various log-on tasks.
Common problems with this file
Errors are encountered with this dll on Windows restarts while trying to log-in or while trying to use applications and Websites that require you to log-in (Live Mail, Google Mail for example). Common errors: C:\Windows\System32\credui.dll is either not designed to run on windows or it contain an error and The application DLL C:\Windows\System32\credui.dll is not a valid windows image. Please check this against your installation diskette.
The causes to this error
(1) The dll is most probably corrupt, missing, or incompatible.
(2) Invalid or missing Windows registered file paths related to this dll.
How to repair this error
(1) Check whether your PC has been infected with viruses
I know that for some users the Credui.dll error popped up due to a malware infection. Scan your PC via a reliable anti-virus such as Microsoft’s free anti-virus (Microsoft Security Essentials) and check whether the dll has been infected.
If your PC isn’t infected, continue to step #2:
(2) Scan your system files via Windows SFC
If you’ve never used Windows System File Checker (SFC) then click this url. This repair tool resides inside your Windows OS, it’ll automatically detect and replace any missing/corrupt/incompatible system files – this dll is part of your Windows OS.
Has this solved the problem?
If not, then everything OK with the dll file, continue to step #3:
(3) Scan for other Credui.dll related errors
Use the following Windows errors repair tool – it was designed to detect and repair various Windows errors.
(1) Download the repair tool
(2) Run the comprehensive errors scan and wait…
(3) Wait for the final errors report
(4) Open the report and see if it had found any errors related to this dll
(5) If so, enable it to repair these errors
(6) Restart your PC
Pinpointing problematic registered dll file paths