This puts users in a tricky spot since they cannot update the drivers, manage the disks, enable/disable services, or sometimes even check 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:

Corrupt system files: When the system files are corrupt, you are likely to come across The program mmc.exe stopped interacting with Windows and was closed message, along with other errors. Issues with the disk: Even problems with the disk that render vital files unaccessible could trigger the error. Missing permissions: Users require a range of permissions to access several built-in tools, and if these are not granted, you might get the mmc.exe Application Error.

How can I fix MMC.exe error?

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

Restart the computer. This should always be the primary approach when troubleshooting an error on any device. Check for Windows updates and install any that are pending. If you have third-party antivirus installed, disable it, and check whether the problem is fixed. In case it does the trick, we recommend you switch to a more reliable and Windows-friendly antivirus. Make sure you are logged in with an administrator account. Some apps won’t run unless users have administrative privileges.

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 get mmc.exe Application Error, try opening the desired utility from the Command 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. SPONSORED Run all three in the same sequence, restart the computer once done, and check whether the mmc.exe Application Error is 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 the mmc.exe Application Error and 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 that mmc.exe Application Error started 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, and uninstalling the update is 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 the mmc.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 quick tips to improve Windows performance. For any queries or to share a solution we missed, drop a comment in the section below.

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