How to remove an LogonUI error
LogonUI.exe is a executable file (a program) for Windows. The filename extension .exe is the abbreviation for executable. Only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. 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 (16% of all occurrences), 504,832 bytes and 14 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 36% 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. The LogonUI.exe file is an unknown file in the Windows folder. It is not a Windows system file.
Important: Some malware disguises itself as LogonUI.exe, particularly when not located in the 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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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.
Malwarebytes Anti-Malware 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.
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