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How to remove an LogonUI error


The free file information forum can help you determine if LogonUI.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.

Click to Run a Free Scan for LogonUI.exe related errors


LogonUI.exe file information

The process known as Windows Logon UI or Windows Logon User Interface Host belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: LogonUI.exe is located in the folder C:\Windows\System32. Known file sizes on Windows 7/XP are 514,560 bytes (17% of all occurrences), 504,832 bytes and 12 more variants. http://www.file.net/process/logonui.exe.html 
The program is not visible. It is a Microsoft signed file. LogonUI.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 33% dangerous, however also read the users reviews.

Recommended: Identify LogonUI.exe related errors

If LogonUI.exe is located in a subfolder of "C:\Program Files", the security rating is 65% dangerous. The file size is 45,056 bytes (75% of all occurrences) or 71,168 bytes. The program is not visible. The process starts upon Windows startup (see Registry key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run). The file is not a Windows system file. The application uses ports to connect to a LAN or the Internet. LogonUI.exe is able to monitor applications.

If LogonUI.exe is located in the folder C:\Windows, the security rating is 72% dangerous. The file size is 59,904 bytes. There is no file information. The program has no visible window. File LogonUI.exe is an unknown file in the Windows folder. It is not a Windows system file.

Important: Some malware camouflages itself as LogonUI.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the LogonUI.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.



Score

User Comments

it is a logo for screen or you can say a welcome screen
   
its safe as long as its in the system32 dir
  jos  
It appears to call up rasplap.dll
  Farny  
System file
  Pussy   (further information)
if this comes up not allowing you to log on, u just need to keep turning your computer off and on, also presing F8 until you see "repair your computer" then run the first two scans/tests. this is how it was fixed for me ! on a windows vista
  Justin . D  
you see this executable run right when you system starts shutting off.. check your task manager
  dontxtrip  
This file for starting graphic X windows
  Bpehruz from dushanbe_shuldukcity  
logonui.exe is program login to windows
  shulljail  
More comments can be found here:
    (further information)
Rating chart


Summary: Average user rating of LogonUI.exe: based on 68 votes with 9 reviews.
34 users think LogonUI.exe is essential for Windows or an installed application. 2 users think it's probably harmless. 15 users think it's neither essential nor dangerous. 9 users suspect danger. 8 users think LogonUI.exe is dangerous and recommend removing it. 10 users doesn't grade LogonUI.exe ("not sure about it").


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LogonUI scanner


Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

SpeedUpMyPC scans, cleans, repairs and optimizes your computer.


Other processes


LogonUI.exe [all]