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LogonUI.exe Windows Logon User Interface Host is a system process which is responsible for Avast Pro Antivirus, Mozilla 1.7.13, Sniper Elite V2 and Windows components.

LogonUI.exe can be infected and re-registered by virus Virus:WM/Cap.EG which can disable the real-time protection of Avast Pro Antivirus and install malware TOPOPTIMIZER to the affected machines.

Any infection to LogonUI.exe can cause missing LogonUI.exe error and LogonUI.exe blue screen of death (BSOD) with stop error code 0x0712(The name or security ID (SID) of the domain specified is inconsistent with the trust information for that domain. ) after LogonUI.exe driver update in Windows 7/XP/Vista.

Download LogonUI.exe file fixer - DLL Suite

How to fix LogonUI.exe by using DLL Suite?

DLL Suite allows its users to repair LogonUI.exe problems and download missing LogonUI.exe for free for Windows XP, Vista and Windows 7, both 32-bit and 64-bit systems.

DLL Suite provides manual and automatic solutions for LogonUI.exe error repairing.

How to fix LogonUI.exe error automatically?

  • Download DLL Suite, install and run it.
  • Scan your computer for LogonUI.exe error.
  • Click Fix ALL button to repair LogonUI.exe problem thoroughly.

How to fix LogonUI.exe error manually?

  • Choose LogonUI.exe and click More Information on the scan results.
  • Free LogonUI.exe download from the open web page.
  • Save LogonUI.exe to its default path to replace the corrupt one on your computer (Note that you can check the file path of LogonUI.exe on the open web page).
  • Click Start icon, click Run, type cmd, click OK, tyep regsvr32 LogonUI.exe, press Enter, and restart your PC to re-register LogonUI.exe.

Download LogonUI.exe Repair Tool

DLL Suite is compatible with the Windows 7 32-bit and 64-bit Operating System!

DLL Suite is compatible with the Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit and 64-bit

"Many thanks for your DLL Suite, it fixes Sniper Elite V2 x3daudio1_6.dll missing error and repairs corrupt file LogonUI.exe for my eMachines computer running Windows 7 Professional Edition 64-bit, as well, I have noticed my web browser Mozilla 1.7.13 runs faster after LogonUI.exe problem is resolved."

Malena Bech,

Start to Fix LogonUI.exe Error!

How to prevent LogonUI.exe errors?

LogonUI.exe errors can occur for several reasons, ofter the main reason is the infection by virus Virus:WM/Cap.EG and malware TOPOPTIMIZER.

What is Virus:WM/Cap.EG?

Virus:WM/Cap.EG is a virus backdoor that targets the private data of the VBS-based software.. Its file size is 27648 bytes and the version is 6.1.7600.16385.

Once launched, it will perform the following actions:

Change the file path of LogonUI.exe to

  • C:\WINDOWS\winsxs\amd64_microsoft-windows-authentication-logonui_31bf3856ad364e35_6.1.7600.16385_none_c18804358ce9b159\

Download malware TOPOPTIMIZER from the following website URL:
  • http://www.topoptimize.com/files/setup.exe

The statistics from Avast Pro Antivirus shows the Virus:WM/Cap.EG has infected over 5305753 computers since 7/13/2009 4:52:26 PM.

Download Virus:WM/Cap.EG Removal Tool

Virus:WM/Cap.EG spreads through social networking Indaba Music to download and install potentially unwanted program TOPOPTIMIZER.


TOPOPTIMIZER is a malware which is promoted on website http://www.topoptimize.com with the description "Topoptimizer removes spyware, adware and hijackers, repairs the registry, removes hidden junk files, checksfor hard drive stability, optimizes the startup, and removesinternet histories for safety and more in just one simpleclick. Advanced users have the option to scan and clean individual areas of their computer.Combining more than 15 tools into one easy to usepackage, topoptimizer was designed by our professional technician for people who just want their computers to run faster, smoother and more efficient.".

TOPOPTIMIZER claims that registry cleanup fixes LogonUI.exe error, once launched, TOPOPTIMIZER would display around 27648 errors related with file LogonUI.exe and then trick its users to register full version to clean these 27648 fake errors.

During TOPOPTIMIZER installation, it will infect the following 2 system files:

TOPOPTIMIZER asks system re-boot to fix LogonUI.exe error after registry cleanup. When you restart Windows, it hangs at LogonUI.exe file, following by LogonUI.exe blue screen of death and along with error message:

  • STOP: 0X5305753B

TOPOPTIMIZER has been detected by HitMalware and other antivirus Avast Pro Antivirus as Program:Win32/AdRevMedia. Microsoft Antispam recommends that you download the latest version to remove virus Virus:WM/Cap.EG and malware TOPOPTIMIZER to protect your PC.

Start To Remove Program:Win32/AdRevMedia Now

DLL Suite - Your LogonUI.exe Repair Tool

DLL Suite's main scanning process detects the incorrect DLL files that result in missing LogonUI.exe errors and LogonUI.exe blue screen of death. Start with a scan to search incorrect DLL files, including missing, corrupted, modified, deleted or removed LogonUI.exe. Later you can use DLL Suite to fix LogonUI.exe errors, download missing LogonUI.exe file and repair corrupted LogonUI.exe for your computer.

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