What is McUICnt.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 McUICnt.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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McUICnt.exe file information

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

The process known as McAfee or McAfee HTML UI Container belongs to software McAfee UI Container or McAfee Security Scan Plus by McAfee (

Description: McUICnt.exe is not essential for Windows and will often cause problems. The McUICnt.exe file is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 643,064 bytes (25% of all occurrences), 645,168 bytes and 16 more variants. 
The program has no visible window. The McUICnt.exe file is a Verisign signed file. The file has a digital signature. It is not a Windows core file. McUICnt.exe is able to monitor applications. Therefore the technical security rating is 16% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Mcafee provides an uninstall program (Control Panel->Software->McAfee, Inc.).

Recommended: Identify McUICnt.exe related errors

Important: Some malware camouflages itself as McUICnt.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the McUICnt.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 supposed to auto update. It has tried it about 5 times with no results. I have to force a shutdown on Windows 7 after a long time.
Takes up loads of memory. Very, very bad for low end PCs. Would definitely recommend a different antivirus spftware
Seems to be part of McAfee.
I have had McAfee security for a number of years. Just recently there is a problem with shutting down, takes too a probl with email not opening due to this program. I have windows 7 and I'm inclined to disable it.

Summary: Average user rating of McUICnt.exe: based on 2 votes with 4 user comments. 2 users think it's neither essential nor dangerous. 2 users don't grade McUICnt.exe ("not sure about it").

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Best practices for resolving McUICnt issues

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

McUICnt.exe [all]