What is sensor.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 sensor.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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Sensor.exe file information

The process known as Silent Mode Application or Sensor Application belongs to software Light Sensor Utility or Quick Heal AntiVirus by Quick Heal Technologies (P) (

Description: Sensor.exe is not essential for the Windows OS and causes relatively few problems. Sensor.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 253,952 bytes (66% of all occurrences) or 140,664 bytes. 
The software starts upon Windows startup (see Registry key: MACHINE\Run, MACHINE\RunOnce). Sensor.exe is not a Windows system file. There is no information about the author of the file. The application can be uninstalled in the Control Panel. Sensor.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 27% dangerous, however you should also read the user reviews.

Uninstalling this variant: If problems with Light Sensor Utility or Guardian AntiVirus come up, you can remove the entire program using Windows Control Panel.

Recommended: Identify sensor.exe related errors

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

It is a Quick Heal anti virus file

Summary: Average user rating of sensor.exe: based on 1 vote with 1 user comment. One user thinks sensor.exe is essential for Windows or an installed application.

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Best practices for resolving sensor issues

A clean and tidy computer is the key requirement for avoiding problems with sensor. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the sensor.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

sensor.exe [all]