Fix: MMC.exe blocked [by administrator, for your protection]

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Affiliate Disclosure
  • MMC.exe is built-in to every version of Windows since 2000 but some users received the MMC.exe blocked for your protection error.
  • If MMC.exe is blocked in Windows 10, you will not be able to run Computer Management.
  • One of the solutions to fix this problem is to disable SmartScreen like indicated in our guide below.
  • It can also be the case that MMC.exe is blocked by the administrator and the solution is to change that in Group Policy.
 
Mmc.exe blocked Windows 10

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You might be greeted with an error message that reads an administrator has blocked you from running this app mmc.exe.

Much like a clarification, the error also states that this app has been blocked for your protection mmc.exe and it basically stops you from accessing Computer Management.

However, fret not, this error is not too big of an issue and it can be taken care of with just a few tweaks to the settings. But first, let’s get a bit more context about it for a better understanding.

What is MCC.exe and what does it do?

MMC.exe is the executable file of the Microsoft Management Console (MMC) app. It’s a legitimate Microsoft process that supports many native tools such as the Device Manager, Event Viewer, and even AD frameworks.

Now, many of you expressed concern about the mmc.exe being a virus. Clearly, it is not. However, hackers tend to name the files carrying malicious code in manners that can be easily mistaken for names describing legitimate processes.

The purpose of this scheme is to avoid being detected. So, if you have any suspicious, it’s best to run a malware scan.

You also wanted to know if deleting MMC.exe is an advisable measure. Well, it’s not recommended to do so with any of the Windows system processes as they all fulfill specific roles and help your PC function adequately.

However, we get that the mmc.exe blocked by administrator error can be frustrating. So here’s how to solve it in 2 easy steps.

What can I do if MMC.exe is blocked by the administrator?

  1. Disable SmartScreen
  2. Enable Computer Management in Group Policy

1. Disable SmartScreen

  1. Launch the Windows Security Center. You can do this simply by clicking on the shield symbol along the right of the Taskbar.
  2. Click on App & browser control from the list of options on the left.
    mmc.exe blocked app and browser control
  3. Click on the Reputation-based protection settings option.
  4. Select the Off setting for Windows Defender SmartScreen applicable to each aspect such as Check apps and files, SmartScreen for Microsoft Edge, and SmartScreen for Microsoft Store apps.
  5. There is going to be a warning message shown about your device being at risk once you have turned the SmartScreen protection off (You shouldn’t be bothered by it if you are ready to take the risk).
  6. Consent to any confirmation box that shows up.

There are chances that SmartScreen blocks Computer Management. To fix Mmc.exe blocked for your protection error, disable SmartScreen and see if it works.

If your PC is used by another user who also enjoys administrator status, you will have to make sure that the account has Computer Management in Group Policy enabled. Follow the next solution to see how you do it.

2. Enable Computer Management in Group Policy

  1. Open the Run dialog box by press Windows key and R at the same time.
  2. Type mmc and press Enter (This will launch the Local Group Policy Editor window).
  3. From the list of options on the left, click on User Configuration, select Administrative Templates, then click on Windows Components, select Microsoft Management Console, and Restricted/Permitted snap-ins.
    computer management mmc.exe blocked for your protection
  4. In the right panel, right-click on Computer Management and select Edit.
  5. Select Not Configured or Enabled.
  6. Click OK.
  7. Next, close the Local Group Policy Editor.

Mmc.exe blocked for your protection error can be caused by your Group Policy settings, and in order to fix it, you need to make a few changes, as they are described above.

Restart your PC and you should have the Mmc.exe blocked for your protection error in Windows 10 resolved.


This app has been blocked for your protection mmc.exe error can be annoying, but we hope that you managed to fix it with one of our solutions.

If you have any other suggestions, we would be happy to read them in the comments section below.

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