FIX: MMC.exe blocked for your protection Windows 10 error

Ivan Jenic
by 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 driver troubleshooting. When he's not tackling... 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
To fix various PC problems, we recommend Restoro PC Repair Tool:This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

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, this error is not too big of an issue and it can be taken care of with just a few tweaks to the settings.


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.


idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on TrustPilot.com (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

Frequently Asked Questions

This article covers:Topics: