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Windows defender service running after registering MBAM in Security Center

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Has anybody noticed that windows defender antimalware service is still running and is getting updates in spite of registering Mbam in windows security center??

FYI This happens only in windows 11, in windows 10 it is not the case. I opened a ticket (nr 4025183) regarding this two weeks ago but still no answer so i thought i try my luck here.

My guess this is something on Microsoft side not Malwarebytes. Let me know your opinion.


Thanks in advance

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***This is an automated reply***


Thanks for posting in the Malwarebytes for Windows Help forum.

If you are having technical issues with our Windows product, please do the following:

Malwarebytes Support Tool - Advanced Options

This feature is designed for the following reasons:

  • For use when you are on the forums and need to provide logs for assistance
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5 minutes ago, Chris77 said:

I opened a ticket (nr 4025183) regarding this two weeks ago but still no answer

Support is running behind on tickets due to the staff being out work during the hurricane in Florida.

Please do the following so that we may take a closer look at your installation for troubleshooting:

NOTE: The tools and the information obtained is safe and not harmful to your privacy or your computer, please allow the programs to run if blocked by your system.


  • Download the Malwarebytes Support Tool
  • In your Downloads folder, open the mb-support-x.x.x.xxx.exe file
  • In the User Account Control pop-up window, click Yes to continue the installation
  • Run the MBST Support Tool
  • In the left navigation pane of the Malwarebytes Support Tool, click Advanced
  • In the Advanced Options, click Gather Logs. A status diagram displays the tool is Getting logs from your machine
  • A zip file named mbst-grab-results.zip will be saved to your desktop, please upload that file on your next reply


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14 minutes ago, Chris77 said:

Thanks for your reply,

Lets use the same support tool and do a clean uninstall and reinstall.


Please close all browsers and programs before running the tool. Right click and quit MB from the system tray also.

Once done it will attempt to reinstall both Malwarebytes and Privacy VPN.

Please say no and close the X button on the top right for Privacy.


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Hi Chris77:

Could you please clarify something.  When the Malwarebytes Premium settings at Security | Windows Security Center | Always Register Malwarebytes in the Windows Security Center is turned ON on your Win 11 v22H2 machine does the Security Providers section of Windows Security (located at Windows Security | Settings | Security Providers | Manage Providers on my Win 10 v21H2 laptop) still show that Malwarebytes is turned ON (i.e., that Malwarebytes is your primary Security Provider) and that Microsoft Defender is turned OFF? If Security Providers reports that Microsoft Defender is turned OFF do you see the option to enable Defender's Limited Periodic Scanning, and if so is Limited Periodic Scanning turned on or off?  See the images Porthos posted on 02-Feb-2020 in ex-jedi's thread Malwarebytes and Windows Defender.

My understanding is that Microsoft Defender and Windows Firewall services should still load at boot-up when any third-party antivirus or anti-malware program (e.g., McAfee, Norton, Malwarebytes Premium, etc.) is configured to be the primary real-time protection since the APIs provide functionality that is used by these third-party antivirus programs, even if Microsoft Defender is "disabled" by these third-party antivirus programs. Is the image you posted <above> showing your Microsoft Defender Antivirus Service (MSMpEng.exe) consuming 2.5% of your CPU typical or only something you see occasionally?

Note that I always turn OFF (disable) the Malwarebytes setting at Security | Windows Security Center | Always Register Malwarebytes in the Windows Security Center as shown below.  This ensures that my Microsoft Defender AV is registered with Windows as my main real-time antivirus and has the primary responsibility for malware detection and remediation while Malwarebytes Premium will essentially work as a "backup" to look for any potential threats missed by Defender.

64-bit Win 10 Pro v21H2 build 19044.2006 * Firefox v105.0.3 * Microsoft Defender v4.18.2207.7-1.1.19600.3 * Malwarebytes Premium v4.5.14.210-1.0.1772 * Macrium Reflect Free v8.0.6979 * Inspiron 5583/5584 BIOS v1.20.0
Dell Inspiron 15 5584, Intel i5-8265U CPU, 8 GB RAM, 256 GB Toshiba KBG40ZNS256G NVMe SSD, Intel UHD Graphics 620

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