logonui.exe cannot start or run due to incompatibility with 64-bit versions of windows

4

4rrhener

Windows 7 System won't boot completely...


Unsupported 16-Bit Application:

logonui.exe cannot start or run due to incompatibility with 64-bit versions of windows​


Tried all the F8 System Recovery options...

Tried replacing the logonui.exe file from sxs...

Replaced registry hives from regbak...


It all started when Logitech was updating firmware in my wireless headset... it failed a couple of times and then the screen went all black... after that there was some quick BSOD's after booting (so fast I could not read the errors). After running system recovery options a few times it gave up and said it could not fix it.. and now seems only stuck on this logonui.exe... I can only get a Command Prompt in the System Recovery Options now.


What else can I try to fix this? Not quite ready to give up.

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