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MMC.exe Application Error: 7 Easy Fixes for This Problem

Get rid of the error in no time with our expert solutions

5 min. read

Updated onOctober 10, 2023

updated onOctober 10, 2023

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Key notes

Microsoft Management Consoleis a vital part of Windows and is used to access system and storage tools, along with making critical changes to the PC. However, many users reported getting themmc.exe Application Errorwhen opening the Device Manager or other tools linked to it.

This makes users tricky since they cannotupdate the drivers, manage the disks, enable/disable services, or sometimes evencheck the error logs in Windows. So, let’s walk you through the underlying triggers and the solutions that worked for others.

What causes the MMC.exe Application error?

Here are a few reasons you might be getting the error:

How can I fix MMC.exe error?

Before we head to the slightly complex solutions, here are a few quick ones to try:

If none work, move to the fixes listed next.

1. Launch the app from an elevated Command Prompt

If you can’t open Device Manager and getmmc.exe Application Error, try opening the desired utility from theCommand Prompt.

2. Run the DISM, SFC, and Check Disk scans

Running the DISM tool, SFC scan, and Check Disk utility helps fix issues with Windows installation, repairs corrupt system files, and tries to reduce the damage caused by bad sectors respectively.

Run all three in the same sequence, restart the computer once done, and check whether themmc.exe Application Erroris fixed.

3. Modify the Local Security Policy

4. Disable UAC

In some cases, it was problems with the UAC (User Account Control) settings that triggered themmc.exe Application Errorand prevented any of the linked consoles from running. Make sure you use this as a temporary measure and revert UAC settings to their previous configuration.

5. Repair Microsoft Visual C++ Redistributable

6. Uninstall the recent Windows update

For many users who reported thatmmc.exe Application Errorstarted appearing after an update, removing the latest version and reverting to the previous stable one did the trick. An OS update can often mess up the PC, anduninstalling the updateis the best way to go.

7. Perform an in-place upgrade

If nothing previously worked, an in-place upgrade can be used as a last resort to fix themmc.exe Applications Error. It will replace all corrupt files and eliminate other issues triggering the error, though your files and apps remain safe.

Once you have the PC up and running, do check some quicktips to improve Windows performance. And for other problems, such as theCredentialUIBroker.exe error, feel free to check out our helpful guide.

For any queries or to share a solution we missed, drop a comment in the section below.

MMC.exe Application Error: 7 Easy Fixes for This Problem#

How can I fix MMC.exe error?#

1. Launch the app from an elevated Command Prompt#

2. Run the DISM, SFC, and Check Disk scans#

3. Modify the Local Security Policy#

4. Disable UAC#

5. Repair Microsoft Visual C++ Redistributable#

6. Uninstall the recent Windows update#

7. Perform an in-place upgrade#