How to Download MMSSHOST.exe and Fix EXE Error Messages

Last Updated: 05/23/2020
[Time to Read Article: 5 minutes]

The development of McAfee Management Service Host by McAfee, Inc. prompted the latest creation of MMSSHOST.exe. It is also known as a McAfee Management Service Host file (file extension EXE), which is classified as a type of Win64 EXE (Executable application) file.

MMSSHOST.exe was first released in the Windows 10 Operating System on 08/29/2019 with McAfee Total Protection 2019 (16.0 R20). This file marks the latest update from McAfee, Inc., according to our records.

Please continue reading to find your correct MMSSHOST.exe file version download (free), detailed file information, and EXE file troubleshooting instructions.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: MMSSHOST.exe
File Extension: EXE file extension
Description: McAfee Management Service Host
Object File Type: Executable application
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: McAfee, LLC.
Software Program: McAfee Management Service Host
Legal Copyright: Copyright © 2019 McAfee, LLC.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x194b4
Code Size: 236032


What are MMSSHOST.exe Error Messages?


MMSSHOST.exe Runtime Errors

Runtime errors are McAfee Total Protection errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when MMSSHOST.exe is attempted to be loaded either when McAfee Total Protection is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using McAfee Total Protection.

In most cases, MMSSHOST.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these MMSSHOST.exe error messages mean that McAfee Total Protection was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, McAfee Total Protection will be unable to start without resolving these errors.

Some of the most common MMSSHOST.exe errors include:

  • MMSSHOST.exe - Bad Image.
  • MMSSHOST.exe Application Error.
  • MMSSHOST.exe could not be found.
  • MMSSHOST.exe could not be installed.
  • MMSSHOST.exe could not be launched. Class not registered.
  • MMSSHOST.exe could not be started.
  • MMSSHOST.exe failed to initialize properly.
  • MMSSHOST.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • MMSSHOST.exe is not a valid Win32 application.
  • MMSSHOST.exe is not running.
  • Cannot find MMSSHOST.exe.
  • Error starting program: MMSSHOST.exe.
  • Faulting Application Path: MMSSHOST.exe.
  • The file MMSSHOST.exe is missing or corrupt.
  • Windows failed to start - MMSSHOST.exe.
System Error


The program can’t start because MMSSHOST.exe is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the MMSSHOST.exe error is key to properly resolving these errors. Although most of these EXE errors affecting MMSSHOST.exe will happen during startup, occasionally you will encounter a runtime error while using McAfee Management Service Host. This can occur due to poor programming on behalf of McAfee, LLC., conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of MMSSHOST.exe errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix MMSSHOST.exe Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your MMSSHOST.exe issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the MMSSHOST.exe error, please proceed to the Step 2 below.

Step 2: If recently installed McAfee Total Protection (or related software), uninstall then try reinstalling McAfee Total Protection software.

You can uninstall McAfee Total Protection software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for McAfee Total Protection 2019 (16.0 R20) and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall McAfee Total Protection software.

If this Step 2 fails as well, please proceed to the Step 3 below.

McAfee Total Protection 2019 (16.0 R20)

McAfee, Inc.

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many MMSSHOST.exe error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the MMSSHOST.exe error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your MMSSHOST.exe File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate MMSSHOST.exe file version. We maintain a comprehensive database of 100% malware-free MMSSHOST.exe files for every applicable version of McAfee Total Protection. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download MMSSHOST.exe Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate McAfee Total Protection folder location:
    Windows 10: C:\Program Files (x86)\Common Files\McAfee\MMSSHost\
    Windows 10: C:\Program Files\Common Files\McAfee\MMSSHost\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve MMSSHOST.exe problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download MMSSHOST.exe Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying MMSSHOST.exe to your appropriate Windows system directory. McAfee, Inc. typically does not release McAfee Total Protection EXE files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing MMSSHOST.exe and all other EXE files for McAfee Total Protection. An incorrectly installed EXE file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to MMSSHOST.exe


EXE Files Related to MMSSHOST.exe

File Name Description Software Program (Version) File Size (bytes) File Location
McDiReg.exe McAfee Direct Registration McAfee Install Integrator (4,0,0,0) 1226632 C:\ProgramData\McAfee\Direct\
ModuleCoreService.exe McAfee Module Core Service McAfee Module Core (2,15,0,0) 1700272 C:\Program Files\Common Files\McAfee\ModuleCore\
mcinfo.exe McAfee SecurityCenter Instrumentation McAfee SecurityCenter (17,10,0,0) 1354208 C:\Program Files\McAfee\MSC\
McActInst.exe McAfee Activation Wizard Installer McAfee Activation Wizard Framework (7,0,0,0) 248400 C:\Program Files\Common Files\McAfee\ActWiz\
McAfee_Total_Protectio... McAfee ESD Package McAfee ESD Package (15.0.126.0) 669009096 C:\Users\Tester\AppData\Local\Temp\nsbC1EC.tmp\...

Other Files Related to MMSSHOST.exe

File Name Description Software Program (Version) File Size (bytes) File Location
win.ini Windows Initialization McAfee Total Protection 2019 (16.0 R20) 124 C:\Windows\
setuperr.log Log McAfee Total Protection 2019 (16.0 R20) 23531 C:\Windows\Logs\DPX\
setupact.log Log McAfee Total Protection 2019 (16.0 R20) 62521 C:\Windows\Panther\UnattendGC\
WmiApRpl.ini Windows Initialization McAfee Total Protection 2019 (16.0 R20) 29736 C:\Windows\inf\WmiApRpl\0009\
WmiApRpl.h C/C++/Objective-C Header McAfee Total Protection 2019 (16.0 R20) 3444 C:\Windows\System32\wbem\Performance\


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