What Is tmmon.dll? Is It A Virus Or Malware?

Categories: tmmon.dll

What is tmmon.dll?

tmmon.dll is an DLL file which belongs to the process Trend Micro UMH Monitor Engine which comes with the Software Trend Micro User Mode Hooking developed by the software developer Trend Micro.

The .dll extension of the tmmon.dll file specifies it is a Dynamic-link library file.

Malware and viruses are also transmitted through DLL files. So we must be sure before opening any unknown DLL file on our computers. I have faced these DLL corrupt or malware issues many times.

PRO TIP: If you are facing System related issues on Windows like registry errors or System files being deleted by viruses, malware or System crashes then we recommend downloading Restoro software which scans your Windows PC for any issues and fixes them within a few minutes.

We will check if the tmmon.dll file is a virus or malware. Whether it should be deleted to keep your computer safe? Read more below.

Is tmmon.dll safe to run? Is it a virus or malware?

Let’s check the location of this DLL file to determine whether this is legit software or a virus. The location of this file is mentioned below.

File Location / Danger rating: C:WindowsSysWOW64tmumh20019TmMon2.7.0.1047

To check whether the DLL file is legit you can start the Task Manager. Then click on the columns field and add Verified Signer as one of the columns.

Now, look at the Verified Signer value for tmmon.dll process if it says “Unable to verify” then the file may be a virus.

File Name tmmon.dll
Software Developer Trend Micro
File Type DLL
File Location C:WindowsSysWOW64tmumh20019TmMon2.7.0.1047
Software Trend Micro User Mode Hooking


tmmon.dll is a Virus or Not : tmmon.dll is not a Virus

If the developer of the software is legitimate, then it is not a virus or malware. If the developer is not listed or seems suspicious, you can remove it using the uninstall program.

How to Fix tmmon.dll Errors

To fix the missing tmmon.dll file you can perform a system restore to restore all missing DLL files on your system.

If the system restores didn’t fix the DLL issue, then you can run System File Checker to fix corrupt DLL files on your Windows system.

How To Remove or Uninstall tmmon.dll

To remove tmmon.dll from your computer do the following steps one by one.

  1. If the DLL file is part of a software program or game, then it will also have an uninstall option. Then you can run the Uninstaller located a directory like C:>Trend Micro>Trend Micro UMH Monitor Engine orTrend Micro User Mode Hooking >tmmon.dll_uninstall.dll
  2. Or the tmmon.dll was installed using the Windows Installer then to uninstall it Go to System Settings and open Add Or Remove Programs Option.
  3. Then Search for tmmon.dll or the software name Trend Micro User Mode Hooking in the search bar or try out the developer name Trend Micro.
  4. Then click on it and select the Uninstall Program option to remove tmmon.dll file from your computer. Now the software Trend Micro User Mode Hooking program along with the file tmmon.dll will be removed from your computer.

tmmon.dll DLL Frequently Asked Questions

How do I fix issues with tmmon.dll?

You can fix most of tmmon.dll issues by updating your drivers, uninstalling and reinstalling the software, disabling the tmmon.dll.dll service, or contacting Trend Micro User Mode Hooking support for further assistance.

Can I remove tmmon.dll from my computer?

Yes, you can remove tmmon.dll dll file from your computer if you no longer need it. To do this, go to the Control Panel, select “Programs and Features,” and locate the Trend Micro User Mode Hooking software. Right-click on the software and select “Uninstall.”

Does Trend Micro User Mode Hooking software’s tmmon.dll file work on Mac computers?

No, tmmon.dll DLL file associated with Trend Micro User Mode Hooking software is designed for Windows computers only. So, it does not work on Mac computers.

I hope you were able to learn more about the tmmon.dll dll file and how to remove it.

Let us know in the comments below if you face any other tmmon.dll issues.

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