Multiple instances of MPCMDRUN.EXE

I think a screenshot describes my situation perfectly.
 
Here
 
So what is happening is that multiple (over 20) windows of mpcmdrun.exe are opening within minuets of each other. Nothing has recently changed on my computer, nor have I installed anything new lately. It started happening earlier today. Uninstalled MSE, rebooted computer, no new windows. Re-downloaded the English 64bit edition from Microsoft, installed, and windows now open, again.
 

Update of information asked of me...(So it is all in one place.)

  • Windows 7 Professional x64
  • I meet the system requirements for Windows
  • My software is Genuine
  • I have had NO OTHER anti-virus software products installed on this computer
  • According to Microsoft Update... My computer is up to date on critical, optional and hardware.
  • Spybot S&D (Downloaded from the link sent to me from MSE Support Here) Reports no infections.
  • Malware Bytes - Anti malware reports no infections (Downloaded from Here, also sent from MSE Support)
  • TDS Killer Reports no infections. (Downloaded from Here, also sent from MSE Support)


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Where did you download the MSE from?

Make sure you download it from this website:

http://windows.microsoft.com/en-US/windows/products/security-essentials

Before install MSE make sure you fully uninstalled all other real-time Anti-Virus software.

Also try update your Windows and make sure latest service pack been installed.

You could also contact MSE support:

https://support.microsoftsecurityessentials.com/

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Yes, I did download it directly from the Microsoft website.

I have no other anti-virus software installed, so I am pretty sure that it takes care of real-time Anti-Virus software also. My computer is configured to run Microsoft updates every day, so it should be completely updated.

Step I have taken directed to me in an email I received from MSE Support... (Nothing was found during any of these steps that would explain the issue I am having.)
  1. Booted computer into Safe Mode
  2. Performed Spybot scan... Found Nothing
  3. Performed  Malware  scan... Found Nothing
  4. Rebooted the computer
After following these steps, I reinstalled MSE (Downloaded directly from microsoft). As soon as the installation completed, the issue started again.
Not all who wander are Lost.

If you suggest something to download... Please provide the links.

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I've never heard of this issue before. The mpcmdrun.exe service runs the various tasks for MSE. They should never open in a command prompt window, but run in the background.

I looked at your screen shot and I see that they are all showing as updates for signatures. 

What happens if you open MSE and select to update the signatures?

Do the command prompt windows ever close on their own?


Prior Security Software?


You may need to use a cleanup tool to remove your prior security software:

http://answers.microsoft.com/en-us/protect/forum/protect_start/list-of-anti-malware-program-cleanupuninstall/407bf6da-c05d-4546-8788-0aa4c25a1f91

Be sure to review this post: Check list for installing Microsoft Security Essentials (also found here: http://experts.windows.com/w/experts_wiki/89.aspx)


-steve

^_^

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  1. MSE is showing that it is updating it is downloading updates. It is not frozen, just not advancing in it's task.
  2. They do not close on their own...
  3. No prior security software.

  • I am running windows 7 Profession 64 bit SP1
  • I have no other anti-virus software installed now, or ever.
  • I have spybot installed.
Not all who wander are Lost.

If you suggest something to download... Please provide the links.

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You don't have TeaTimer active and running for Spybot, do you?

When you say that the updates are shown as installing, do you mean that MSE itself is reporting that updates are underway -- always? If you close all of the command prompt windows with mpcmdrun in them, does MSE still show updating or does it show that it is up to date?

-steve

^_^

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I have neither the "SDHelper " or the "TeaTimer running on my system.


So I reinstalled MSE as stated above. When finishing the install, MSE ask's if I want to download all the up to date definitions and perform a scan. When I select yes, this is where the problems start.

  1. 1st thing to happen is all these windows open #about 20#, saying they are downloading updates, and never ever move on or close. MSE, the GUI not the command line, says the same thing.
  2. Upon closing all the command line windows #Have to do it at the same time or they just start opening up again.# MSE states that it had started a scan.
  3. And the windows start opening up again... within 5 min or closing the other windows. Around twenty windows open op stating that they are downloading updates, update successful, and now a scan has started.
  4. Twenty command line windows are performing a virus scan, MSE GUI is performing a scan.
  5. If I close all the command windows again, step #3 repeats itself.

At this point I have uninstalled MSE completely to make the computer usable. I am hoping that I will be able to use it again, as I prefer it to other anti-virus programs.

Not all who wander are Lost.

If you suggest something to download... Please provide the links.

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Please answer each of the following diagnostic questions in a numbered list in your very next reply (no need to quote this post):

1a. When (approx. date) did you purchase the computer?

1b. Did Win7 come preinstalled on the computer when you bought it, did you do a clean install of Win7, or did you upgrade from Vista to Win7?

2a. When (approx. date) did you first install Microsoft Security Essentials (MSE)?

2b. Was MSE offered & installed via Windows Update or did you intentionally choose to install it?

3. Did a Norton free-trial or a McAfee free-trial [pick one] come preinstalled on the computer when you bought it? (Doesn't matter if you never used or Activated it.)

4. Are ALL of the following updates listed in View installed updates (not Update History)? [1]

    • KB2631813, KB2644615, KB2584146, KB2585542, KB2656356, KB2618444, KB2639417, KB2620712 & KB2556532

    • KB2544521 or Windows Internet Explorer 9 [<=TELL ME WHICH ONE]

5. Is Firefox, Chrome or any other alternate browser installed?

6. Are you in the habit of using "Registry cleaners" (e.g., Registry Mechanic; System Mechanic; RegCure; RegClean Pro; Advanced SystemCare; AVG PC TuneUp; Norton Registry Cleaner; PCTools Optimiser; SpeedUpMyPC; CCleaner)

==============================================
[1] Start | Control Panel | Programs and Features | View installed updates (in left-hand menu)

--
~Robear Dyer (PA Bear)
Microsoft MVP (Windows Client) since October 2002

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Do you have any services manually disabled? Does Windows Update/Automatic Updates work normally?

-steve

^_^

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I am having exactly the same problem with Microsoft Forefront Endpoint Protection on windows server 2003 using up to 433MB of memory.

It's been scanning the disks for 147 hours now and it's only 1.4TB of data!

MPCMDRUN.EXE appears 8 times.

The CPU usage is around 63% so clearly the server is terribly slow at the moment.

Please see here for a screenshot as I can't see how to do it here.

http://community.spiceworks.com/topic/226882-microsoft-forefront-endpoint-memory-usage?page=1#entry-1381106

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I am having exactly the same problem with Microsoft Forefront Endpoint Protection on windows server 2003 using up to 433MB of memory.

It's been scanning the disks for 147 hours now and it's only 1.4TB of data!

MPCMDRUN.EXE appears 8 times.

The CPU usage is around 63% so clearly the server is terribly slow at the moment.

Please see here for a screenshot as I can't see how to do it here.

http://community.spiceworks.com/topic/226882-microsoft-forefront-endpoint-memory-usage?page=1#entry-1381106

Wrong forum for ForeFront, though it shares code with MSE.

My assumption is that there is other security software present or some other conflict with the scanning engine. 

-steve
^_^

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Last updated April 12, 2021 Views 5,564 Applies to: