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.
LogonUI.exe file information
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.
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.
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