Mmc.exe blocked for your protection error on Windows 10 [Fix]

Ivan Jenic
by Ivan Jenic
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Mmc exe blocked for your protection

You might be greeted with an error message that reads Mmc.exe blocked for your protection on Windows 10 when trying to run Computer Management. However, fret not, it’s not too big of an issue and it can be taken care of with just a few tweaks to the settings.

What to do if MMC is blocked by administrator?

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

1. Disable SmartScreen

There are chances of Computer Management being blocked by SmartScreen. To fix Mmc.exe blocked for your protection error, disable SmartScreen and see if it works. Here is how.

  1. Launch the Windows Security Center. You can do this simply by clicking on the shield symbol along the left 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. 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.
    mmc.exe blocked for your protection disable smartscreen
  4. There is a 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 the same if you are ready to take the risk.
  5. Consent to any confirmation box that shows up.

This should be it. However, 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. Here is how you do it.


2. Enable Computer Management in Group Policy

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 by doing the following:

  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 > Administrative Templates > Windows Components > Microsoft Management Console > 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.
    not configured mmc.exe blocked for your protection
  6. Click OK.
  7. Next, close the Local Group Policy Editor.

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

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

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