What is LMIGuardian.exe?

The genuine LMIGuardian.exe file is a software component of LogMeIn Pro by LogMeIn.
LMIGuardian.exe is an executable file that runs the LogMeIn Guardian, a process that sends LogMeIn error reports and diagnostic information to LogMeIn for analysis. This is not a critical Windows component and should be removed if known to cause problems. Removing this file may cause problems while running LogMeIn products. LogMeIn is a subscription-based product that allows users remote access to their computers for security, administration and connectivity purposes. Users are able to work on their computer through a remote computer, and even transfer files between computers. LogMeIn was also available as a free version that had limited functionality but this version was discontinued after January 2014. LogMeIn is a multinational software company that develops solutions for remote control, systems management, file sharing, business collaboration, data backup, and on-demand customer support of PCs, Macintosh computers, smartphones, servers and other connected devices. The company was founded in 2003 as 3am Labs, but changed their name to LogMeIn, Inc. in 2006. It is currently headquartered in Boston, Massachusetts, USA.

LMIGuardian stands for LogMeIn Guardian Service

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the LMIGuardian.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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

LMIGuardian.exe file information

Windows Task Manager with LMIGuardian
LMIGuardian.exe process in Windows Task Manager

The process known as LMIGuardianSvc belongs to software LogMeIn or LogMeIn Remote Access Components by LogMeIn (

Description: LMIGuardian.exe is not essential for Windows and will often cause problems. LMIGuardian.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 87,360 bytes (73% of all occurrences), 378,176 bytes or 83,256 bytes. 
The program has no visible window. It is a Verisign signed file. The file has a digital signature. The LMIGuardian.exe file is not a Windows system file. Therefore the technical security rating is 16% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with LMIGuardian.exe, you can uninstall the software LogMeIn using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify LMIGuardian.exe related errors

If LMIGuardian.exe is located in a subfolder of C:\Windows, the security rating is 37% dangerous. The file size is 375,152 bytes (50% of all occurrences) or 372,736 bytes. The program is not visible. The LMIGuardian.exe file is not a Windows system file.

Uninstalling this variant: If you encounter difficulties with LMIGuardian.exe, you can do the following:
  1) uninstall the software LogMeIn Remote Access Components using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program)
  2) turn to the software company, Logmein, for advice.

Important: Some malware camouflages itself as LMIGuardian.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the LMIGuardian.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.


User Comments

LogMeIn Guardian. Task whose sole purpose is to gather detailed information should a LogMeIn crash occur. It provides LogMeIn Inc with diagnostic information which enables them to analyze what caused the crash and what the solution may be. It is similar to the "Would you like to send this report to Microsoft ?" error reporting feature of Windows. This task will often appear twice on the Tasks tab.
  Mike   (further information)
It's an application witch comes with Logmein Hamachi
  Globux   (further information)
just poped up when turned pc on saying it stopped working
This program frequently is the culprit when our server shows 50% CPU cycles being used. When LMIGuardian is disabled, processing usually drops to 4%.
  Don Rodkin  

Rating chart

Summary: Average user rating of LMIGuardian.exe: based on 13 votes with 4 user comments. 3 users think LMIGuardian.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous. 7 users suspect danger.

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Best practices for resolving LMIGuardian issues

A clean and tidy computer is the key requirement for avoiding problems with LMIGuardian. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the LMIGuardian.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

LMIGuardian.exe [all]