What is Tmesrv31.exe?

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 Tmesrv31.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.

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Tmesrv31.exe file information

Windows Task Manager with Tmesrv31
Tmesrv31.exe process in Windows Task Manager

The process known as TOSHIBA MobileExtension Service belongs to software TOSHIBA Mobile Extension3 for or TOSHIBA Mobile Extension3 or TOSHIBA MobileExtension Service by TOSHIBA (

Description: Tmesrv31.exe is not essential for Windows and will often cause problems. The file Tmesrv31.exe is located in a subfolder of "C:\Program Files" (common is C:\Program Files\TOSHIBA\TME3\). Known file sizes on Windows 10/8/7/XP are 126,976 bytes (60% of all occurrences), 118,784 bytes or 122,880 bytes. 
Tmesrv31.exe is not a Windows core file. The program is not visible. The process starts upon Windows startup (see Registry key: MACHINE\Run). Tmesrv31.exe is able to hide itself. Therefore the technical security rating is 46% dangerous; however you should also read the user reviews.

Uninstalling this variant: It is possible to uninstall the program using the Control Panel ⇒ Uninstall a ProgramTOSHIBA Mobile Extension3 for or TOSHIBA Mobile Extension3.

Recommended: Identify Tmesrv31.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as Tmesrv31.exe. Therefore, you should check the Tmesrv31.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

Toshiba Labtop, hot docking/device swapping
  chris   (further information)

Summary: Average user rating of Tmesrv31.exe: based on 1 vote with 1 user comment. One user thinks it's neither essential nor dangerous.

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Best practices for resolving Tmesrv31 issues

A clean and tidy computer is the key requirement for avoiding problems with Tmesrv31. 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 Tmesrv31.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

Tmesrv31.exe [all]