What is TMonitor.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 TMonitor.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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TMonitor.exe file information

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

The process known as Windows Task Monitor belongs to software Sony Ericsson PC Companion by unknown.

Description: TMonitor.exe is not essential for Windows and will often cause problems. TMonitor.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 71,680 bytes (71% of all occurrences), 43,520 bytes or 92,672 bytes. 
The application has no file description. The program is not visible. TMonitor.exe is not a Windows core file. TMonitor.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 63% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you experience any issues with installation of TMonitor.exe, you can also uninstall the associated program (Start > Control Panel > Uninstall a Program > Sony Ericsson PC Companion) or ask the software vendor,, for advice.

Recommended: Identify TMonitor.exe related errors

If TMonitor.exe is located in a subfolder of the user's profile folder, the security rating is 42% dangerous. The file size is 174,080 bytes. The program has a visible window. There is no file information. The program starts upon Windows startup (see Registry key: User Shell Folders, MACHINE\User Shell Folders). The TMonitor.exe file is not a Windows system file. The program uses ports to connect to or from a LAN or the Internet.

Important: Some malware also uses the file name TMonitor.exe, for example Win32:KeyLogger-AWG [PUP] (detected by Avast), and Gen:Variant.Buzy.2329 (detected by BitDefender). Therefore, you should check the TMonitor.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

Tmonitor is the logging program from Sony created to monitor activities in PC Companion.
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Summary: Average user rating of TMonitor.exe: based on 2 votes with 3 user comments. One user thinks it's neither essential nor dangerous. One user thinks TMonitor.exe is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving TMonitor issues

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

TMonitor.exe [all]