What is mcvsescn.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 mcvsescn.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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Mcvsescn.exe file information

Windows Task Manager with mcvsescn
Mcvsescn.exe process in Windows Task Manager

The process known as McAfee VirusScan E-mail Scan Module belongs to software McAfee VirusScan by McAfee ( or Networks Associates Technology (

Description: Mcvsescn.exe is not essential for the Windows OS and causes relatively few problems. Mcvsescn.exe is located in a subfolder of "C:\Program Files (x86)"—mainly C:\Program Files (x86)\\VSO\. Known file sizes on Windows 10/8/7/XP are 483,328 bytes (63% of all occurrences) or 467,001 bytes. 
The file is not a Windows system file. The program is not visible. The file is able to record keyboard inputs. Therefore the technical security rating is 92% dangerous; but you should also compare this rating with the user reviews.

Recommended: Identify mcvsescn.exe related errors

Important: Some malware camouflages itself as mcvsescn.exe. Therefore, you should check the mcvsescn.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's made it so i can't use my keboard or mouse.pain!
Shows up as potentially dangerous, but it's just part of Mcafee
came up blocked by norton firewall when I would have recieved offline yahoo messages from a bitter ex-girlfriend,
can stop internet browser from working, you can turn it off and still be protected from viruses
cannot connect to internet without killing mcvsescn.exe
  khalid   (further information)
safe part of McAfee email scanner
Part of McAfee, no problems here....
Part of Mcafee antivirus, it's not dangerous until u got certain types of virus that makes him go nuts over outlook express and other utilities, just remove the virus and mcvsescn.exe will go back to his work
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of mcvsescn.exe: based on 60 votes with 9 reviews. 44 users think mcvsescn.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 7 users think it's neither essential nor dangerous. 8 users think mcvsescn.exe is dangerous and recommend removing it. 3 users don't grade mcvsescn.exe ("not sure about it").

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Best practices for resolving mcvsescn issues

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

mcvsescn.exe [all]