Getting LogonUI.exe system error upon booting up

Original Title: "LogonUI.exe system error.   The program can't start because CRYPTUI.dll is missing rom your computer.  Try reinstalling the program to fix the problem."


Upon booting my laptop, I am receiving the following error message:  "LogonUI.exe system error.   The program can't start because CRYPTUI.dll is missing rom your computer.  Try reinstalling the program to fix the problem."  I have tried to do the system repair after hitting F8, it says it was not able to fix the problem.  It gives me the same error if I try to boot in safe mode, so it never gets to the login screen. 

 

My machine is a 32 bit Windows Vista machine that has been upgraded to Windows 7. Any suggestions???

 

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Last updated December 11, 2018 Views 97,152 Applies to:

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Hi,

1.       Are you able to login to your user account?

2.       Is the issue specific to a particular user account?

Method 1:

Step 1: Boot your computer into Advanced Boot options.

http://windows.microsoft.com/en-US/windows7/Advanced-startup-options-including-safe-mode

Step 2: While at the advanced boot options, select Last Known Good Configuration.

Method 2:

Step 1: Open system recovery options on your computer.

http://windows.microsoft.com/en-US/windows7/What-are-the-system-recovery-options-in-Windows-7

Note:  Expand “To open the System Recovery Options menu on your computer” in the above article.

Step 2: From the list of tools select system restore and restore your computer to a date when the computer was working fine,

Hope this helps.

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I am not able to even get to the login screen to choose a user, so I don't thinkit is specific to any account.

 

I followed the steps to method 1 and still get the same error:

 

The program can't start because CRYPTUI.dll is missing rom your computer. Try reinstalling the program to fix the problem." 

 

If I hit enter a few times to answer OK I am left with a blank black screen.

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Hi,

Thank you for the information. You can still try Method 2 mentioned in my previous post and reply with the results.

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I tried method 2 and it gave me the following message:

 

"System Resore did not complete successfully.  Your computer's system files and settings were not changed.

 

Details:

An unspecified error occurred during System Restore. (0x80070057)

 

 

You can try System Restore again and choose a different restore point  If you continue to see this error, you can ry an  advanced recovery methoud for more informaiton, see What is Recovery?"

 

I only saw one restore point on the machine - January 12.  I am going to run it again and will post if I get any different results.

 

 

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Hi,
I would suggest you to run a startup repair.

Step 1: Open system recovery options on your computer.
http://windows.microsoft.com/en-US/windows7/What-are-the-system-recovery-options-in-Windows-7
Note:  Expand “To open the System Recovery Options menu on your computer” in the above article.

Step 2: From the list of tools select startup repair.

Hope this helps.

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Ran Startup Repair, but I have run that before a few times.

I answer "yes or continue" to restore the machine to an earlier time when it was working message (not exact message, but the only other option is Cancel)

 

After attempting repairs for about 5 minutes, It then gives me the following message:

 

Startup Repair cannot repair this computer automatically

Sending more information can help Microsoft create solutions.

 

I have selected to send information about the problem

 

Problem signature:

Problem Event Name: StartupRepairOffline

ProblemSignature01: 6.1.7600.16385

ProblemSignature02: 6.1.7600.16385

ProblemSignature03: unknown

ProblemSignature04: 85

ProblemSignature05: ManualRepair

ProblemSignature06: 1

ProblemSignature07: NoRootCause

OS Version: 6.1.7600.2.0.0.256.1

Locale ID: 1033

 

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Hi,

 

Let's try performing a System File checker scan on your computer, from Windows Recovery Environment.

Step 1: Open system recovery options on your computer.
http://windows.microsoft.com/en-US/windows7/What-are-the-system-recovery-options-in-Windows-7
Note:  Expand “To open the System Recovery Options menu on your computer” in the above article.

Step 2: From the list of tools select Command Prompt.

Step 3: Type these commands one command at a time and hit enter after each one to begin the scan.

a. cd C:\windows\system32

b. sfc /scannow

 

Link to refer:

How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

http://support.microsoft.com/kb/929833

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Strange one here - I did run the scan shortly after it starts it gives me the following message:

 

"Beginning system scan. This process will take some time.

 

There is a system repair pending which requires reboot to complete.  Restart Windows and run sfc again."

 

I have rebooted and tried again with the same response.

 

 

 

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I have the "EXACT" same issue as Andrew has posted here.  Was there a resolution to this here? somewhere?  Kindly point me to it.  I will really appreciate it.  thanks

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Hello.

If you create in Widows 7 System repair disk you can run it on the start, like installation disk. Is working in Widows 10 (any version) just select the right one(32-bit or 64-bit)

You will get al options for repair.

If all 1st 3 fail, you will need to go to the last one (CMD-command line) and reconfigure "Boot"

You will write in that window

1st) bootrec /fixmbr

2nd) bootrec /fixboot

Do not forget space between bootrec and  /  !!!!!

It will reset your library and fix boot!!!

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