What is MSKAgent.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 MSKAgent.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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MSKAgent.exe file information

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

The process known as McAfee SpamKiller Agent Interface module belongs to software McAfee SpamKiller by McAfee (

Description: MSKAgent.exe is not essential for the Windows OS and causes relatively few problems. MSKAgent.exe is located in a subfolder of "C:\Program Files (x86)"—generally C:\Program Files (x86)\McAfee\SpamKiller\. The file size on Windows 10/8/7/XP is 110,592 bytes. 
It is not a Windows system file. The program is not visible. The program is loaded during the Windows boot process (see Registry key: MACHINE\Run). It can change the behavior of other programs or manipulate other programs. Therefore the technical security rating is 74% dangerous, but you should also take into account the user reviews.

Uninstalling this variant: You have the option to do the following:

Recommended: Identify MSKAgent.exe related errors

External information from Paul Collins:

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

Part of McAfee Spam Killer
Part og the McAfee SpamKiller
it is a mcafee app I dl'd
Part of the McAfee SpamKiller (McAfee SecurityCenter)
  MK   (further information)
This process should not be terminated to keep you safe from unsolicited e-mails.
  Elric Ward  
Part of McAfee Spam Killer
Apparently park of McAfee SpamKiller, but its a resource hog on older machines using XP.
free from McAfee
why do i keep getting error reprot on MSKAgent.exe

Rating chart

Summary: Average user rating of MSKAgent.exe: based on 15 votes with 9 user comments. 14 users think MSKAgent.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous.

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Best practices for resolving MSKAgent issues

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

MSKAgent.exe [all]