The Microsoft Management Console (MMC) is used to provide a framework for crucial management applications on Windows like Device Manager, Event Viewer, etc. They are managed using MMC snap-ins.
This Snap-in performed a non-valid operation and has been unloaded
In short, this error message means that the user tied to open MMC and one of its snap-in’s did not load correctly. It could be reloaded, but if it keeps failing, we might need to proceed to the following troubleshooting. To fix This Snap-in performed a non-valid operation and has been unloaded error in Windows 11/10, follow these steps: To learn more about these steps, continue reading.
1] Reinstall the Snap-In
Uninstall and reinstall one or more of the MMC Snap-ins and see if that helps.
2] Troubleshoot in Clean Boot State
To isolate whether the issue is with the system itself or any third-party software, we could boot the system in Clean Boot State. Should MMC and concerned snap-ins work well now, we could assume that the issue is with a third -party software. In such a case, we could uninstall recently installed suspicious third-party software, or you would have to manually identify the offender and disable or remove it from your system.
3] Install .NET 3.5
If you can identify the MMC snap-in which is failing, you may open the following MMC folder location: The MMC folder stores the snap-ins named as per their Run command path. Delete the troublesome snap-in from that list. Reboot the system and it should possibly resolve the issue.
4] Install .NET 3.5
Windows 7 systems may require .NET 3.5.x to be installed. You may therefore search for and open Turn Windows features On or Off applet and select .NET Framework 3.5 and click OK. Restart you computer and see. If it has not helped, you may reverse the changes.
How do you fix MMC has detected an error in a snap-in and will unload it?
To fix the MMC has detected an error in a snap-in and will unload it error on Windows 11 or Windows 10 PC, you need to enable the .NET Framework 3.5.1. For that, you can take the help of the Windows Features panel. Search for Turn windows features on or off and open the Windows Features. Then, tick the Microsoft .NET Framework 3.5.1 and click the OK button.
How do you fix MMC Cannot initialize the snap-in Windows 11/10?
To fix the MMC Cannot initialize the snap-in error in Windows 11/10 PC, you need to turn on the MailEnable Management. For that, open the Microsoft Management Console on your computer and click on the Add-Remove Snap-In option from the Console menu. Next, select the Add option and choose the MailEnable Management. Hope something here helps you!
