What does the logonui.exe file do?
The logonui.exe process is also known as Windows Logon User Interface Host or, as the case may be, XMRig miner and is a part of Microsoft Windows Operating System or, as the case may be, XMRig. This software is produced by Microsoft (www.microsoft.com) or, as the case may be, www.xmrig.com. An outdated or faulty version of logonui.exe can cause problems for your computer, ranging from slowness to error messages like these:
- Windows Logon User Interface Host has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Windows Logon User Interface Host has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- logonui.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module logonui.exe. Read of address 00000000.
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What you should know about logonui.exe Windows Logon User Interface Host
logonui.exe is a Windows system file. The file logonui.exe is found in the C:\Windows\System32 directory.
Frequently occurring are file sizes such as 10,752 bytes (85% of all these files) or, as the case may be, 11,264 bytes.
It is a Windows system file. The original file was created by Microsoft. The file itself can therefore be considered trustworthy. This logonui program does not appear as a visible window, but only in Task Manager.
For this reason, 2% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
logonui.exe is a system file used by Microsoft Windows, and appears in Windows Task Manager as a process named "Windows Logon User Interface Host." However, some viruses and Trojans use the same file name to avoid detection (e.g. Trojan.Win64.Miner.ajmw (recognized by Kaspersky), as well as HKTL_COINMINE (recognized by TrendMicro)).
For better security, scan your computer with two different antivirus engines. You can use free antivirus software for this purpose.
Objectionable files with the same file name have the following characteristics: A logonui.exe file has a 72% certainty of being dangerous if it is found in a subdirectory of C:\Windows. In this case, the file size is usually 1,184,283 bytes. The file is not a Windows system file, but it is nontheless located in the C:\Windows folder. This file contains no information about the producer or the version. The program executes in the background, and can only be terminated using Windows Task Manager. It was developed by a so-called third party provider - and not by Microsoft.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves logonui.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about logonui?
| Active when you use Remote Desktop to connect between 2 PCs sl1200 | |
| Windows-Anmeldebenutzeroberfläche Wasek |
Summary: 32 users consider logonui.exe essential and should not be removed. 2 users consider it harmless. However, 8 users consider this to be a suspicious process and would like to get rid of it. For this reason, 8 users have already removed logonui.exe. source: file.net
How to uninstall the program or XMRig
To remove Windows Logon User Interface Host from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate the program or XMRig in the list of displayed applications.
- Click the program, and then click Uninstall.
How to check if logonui.exe (Windows Logon User Interface Host) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of Windows Logon User Interface Host. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Windows Logon User Interface Host or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or logonui.exe is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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