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

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.
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KCITSAsked:
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KCITSAuthor Commented:
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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JohnBusiness Consultant (Owner)Commented:
See if you can boot with a bootable CD (Ultimate Boot CD) or get into Safe Mode some how and uninstall KB3097877. It is the problem update.  This seems to be fairly well known at this point. I posted this information in another question earlier today.

http://www.zdnet.com/article/outlook-crashing-after-windows-security-updates-you-are-not-alone/?tag=nl.e589&s_cid=e589&ttag=e589&ftag=TREc64629f 

If you need it, here is a Windows script to uninstall updates.

http://answers.microsoft.com/en-us/windows/forum/windows_other-update/command-line-switch-for-unisntallation-of-windows/9303f16a-d0f1-42a3-8649-b18faced25ba?auth=1
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KCITSAuthor Commented:
Thanks John, this was indeed the problem, seems like this update has caused havoc with any touchscreen devices.

Many Thanks
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JohnBusiness Consultant (Owner)Commented:
@KCITS - You are very welcome and thanks for the update.
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Windows 7

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