safe file


Windows Logon User Interface Host

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logonui.exe. What is it?

The logonui.exe is a Windows Logon User Interface Host. Sometimes it’s called Windows Logon User Interface Host.

This file is part of Microsoft® Windows® Operating System. Logonui.exe is developed by Microsoft Corporation. It’s a system and hidden file. Logonui.exe is usually located in the %PROGRAM_FILES% sub-folder and its usual size is 514,560 bytes.

Important: malware can mask itself as logonui.exe.


The logonui.exe process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly. Some other processes use the same file name.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Windows Logon User Interface HostPart Of: Microsoft® Windows® Operating SystemCommon path(s): subfolder in %PROGRAM_FILES%
subfolder in %WINDOWS%
subfolder in %SYSTEM%
Keywords(s): system, monitor, hiddenFilesize(s): 514,560 bytes, 513,536 bytes, 1,153,536 bytes, 515,072 bytes, 505,344 bytes, 504,832 bytes, 10,752 bytes, 9,216 bytes

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