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Below is the event log error<br />
<br />
<br />
Faulting application name: LogonUI.exe, version: 6.1.7601.17514, time stamp: 0x4ce79505<br />
Faulting module name: ntdll.dll, version: 6.1.7601.19045, time stamp: 0x56258dbb<br />
Exception code: 0xc0000374<br />
Fault offset: 0x000c3f83<br />
Faulting process id: 0x37c<br />
Faulting application start time: 0x01d11cdf47367950<br />
Faulting application path: C:\windows\system32\LogonU<wbr />I.exe<br />
Faulting module path: C:\windows\SYSTEM32\ntdll.<wbr />dll<br />
Report Id: b88e6289-88d3-11e5-8325-9c<wbr />8e99ed596c<wbr />
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Below is the event log error


Faulting application name: LogonUI.exe, version: 6.1.7601.17514, time stamp: 0x4ce79505
Faulting module name: ntdll.dll, version: 6.1.7601.19045, time stamp: 0x56258dbb
Exception code: 0xc0000374
Fault offset: 0x000c3f83
Faulting process id: 0x37c
Faulting application start time: 0x01d11cdf47367950
Faulting application path: C:\windows\system32\LogonUI.exe
Faulting module path: C:\windows\SYSTEM32\ntdll.dll
Report Id: b88e6289-88d3-11e5-8325-9c8e99ed596c

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Thanks John, this was indeed the problem, seems like this update has caused havoc with any touchscreen devices.<br />
<br />
Many Thanks
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Thanks John, this was indeed the problem, seems like this update has caused havoc with any touchscreen devices.

Many Thanks

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@KCITS - You are very welcome and thanks for the update.
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@KCITS - You are very welcome and thanks for the update.

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This morning 6 Windows Embedded POS machines are all unable to login<br />
when clicking on the user Icon the screen flashes black and returns to the login screen.<br />
<br />
Unable to boot into safe mode same error<br />
<br />
The event logs show windows updates were installed last night and there is event error 100 (Faulting Application: LogonUI.exe) displayed in the application log after each login attempt.
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This morning 6 Windows Embedded POS machines are all unable to login
when clicking on the user Icon the screen flashes black and returns to the login screen.

Unable to boot into safe mode same error

The event logs show windows updates were installed last night and there is event error 100 (Faulting Application: LogonUI.exe) displayed in the application log after each login attempt.

Unable to logon 6 machines after updates (Faulting Application: LogonUI.exe)

Windows 7 is an operating system from Microsoft. Features include multi-touch support, a redesigned Windows Shell with a new taskbar, referred to as the Superbar, a home networking system called HomeGroup, and performance improvements.

Windows 7

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.