LogonUI.exe is an application that helps your computer set up an interface that allows you to log in. But sometimes corrupting this application can make it difficult for you to access your system, causing a fatal BSOD crash when trying to log in.
Don’t worry. There are some solutions to this problem. The most popular ones are restoring LogonUI.exe, initiating automatic boot recovery, etc.
What causes LogonUI.exe error?
The main reason for this error is a corrupt or missing LogonUI.exe file, which explains why you are facing this error.