How to Fix - Cannot login, getting message "unsupported 16-bit application \??\C:\Windows\system32\LogonUI.exe"?

Cannot login, getting message "unsupported 16-bit application \??\C:\Windows\system32\LogonUI.exe"

I restarted my computer after the screen went black.
 I thought the screen had faded out because I had not touched my laptop for a while so it went to sleep.
 But, my laptop wouldn't respond after I tapped the mousepad or when I clicked some keys.
I manually shut my laptop down.
 However, when I went to turn it back on, I got a message that said, "unsupported 16-bit application \??\C:\Windows\system32\LogonUI.exe."  I can't get past this message and I can't login to my computer.
 Can anyone help?

I checked other forums and people said that this might be caused by a virus, but I don't remember seeing any weird pop ups or going to any websites that I didn't know of.
 There were also people who said to try to use the windows repair disk.
 The problem
is, I am currently away from home, so I don't have access to my windows 7 disks and my laptop doesn't have a cd slot because it is an ultrabook.
 Is there anyway to resolve this issue??

Please let me know!

Anwsers to the Problem Cannot login, getting message "unsupported 16-bit application \??\C:\Windows\system32\LogonUI.exe"

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Machine Throttling
  • Click the Start button.
  • In the Search box, type "regedit" (without quotes) and press Enter.
  • Look for the following registry key: "HKEY_LOCAL_MACHINE\SOFTWARE\ Microsoft\ SQMClient\Windows\DisabledSessions".
  • On the right window pane, delete the subkey: "Machine Throttling".
  • Reboot your computer.

Another Safe way to Repair the Problem: Cannot login, getting message "unsupported 16-bit application \??\C:\Windows\system32\LogonUI.exe":

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