If have seen this error message popped on your computer screen, there might some problems in your registry. Your computer’s registry is core to the Windows operating system. Any error in your registry may cause trouble in finding .exe files for the programs in your PC.
If you want to solve logonui.exe related problems, we suggest that you run a quick exe errors scan to identify the problems and repair your registry.
Logonui.exe is a core files to the Windows OS that is in charge of the logging in of users to the local machine and related to the Microsoft Windows XP user switching screen. This file is normally located in C:\Windows\System32 folder.

Logonui.exe process should not be disabled due to the proper work of your system, so you may to run a quick exe errors scan for your PC to make sure that your system is secure and stable.
Though logonui.exe might be causing problems to your system, and you might be afraid of the threats that are coming from spyware or virus, logonui.exe errors can still be fixed easily with the following tips:
To ensure the security and efficiency of your PC, get our EXErrorFix to fix Logonui.exe errors in minutes.
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